Home / 5,200,387.60-7,800,581.40-3,499,776.40

Finding the Fourth Proportional to 5,200,387.60, 7,800,581.40 and 3,499,776.40

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Solution

The fourth proportional to 5,200,387.60, 7,800,581.40 and 3,499,776.40 is: 5,249,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,387.60 : 7,800,581.40 = 3,499,776.40 : x
  2. Step 2: Convert to fraction form
    5,200,387.60/7,800,581.40 = 3,499,776.40/x
  3. Step 3: Cross multiply
    5,200,387.60x = 7,800,581.40 × 3,499,776.40
  4. Step 4: Simplify right side
    5,200,387.60x = 27,300,290,689,998.96
  5. Step 5: Solve for x
    x = 27,300,290,689,998.96/5,200,387.60
  6. Step 6: Final answer
    x = 5,249,664.60

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Double scale
Find fourth proportional to 5,200,388.60, 7,800,582.90 and 3,499,777.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.