Home / 5,200,379.60-7,800,569.40-3,499,768.40

Finding the Fourth Proportional to 5,200,379.60, 7,800,569.40 and 3,499,768.40

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Solution

The fourth proportional to 5,200,379.60, 7,800,569.40 and 3,499,768.40 is: 5,249,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,379.60 : 7,800,569.40 = 3,499,768.40 : x
  2. Step 2: Convert to fraction form
    5,200,379.60/7,800,569.40 = 3,499,768.40/x
  3. Step 3: Cross multiply
    5,200,379.60x = 7,800,569.40 × 3,499,768.40
  4. Step 4: Simplify right side
    5,200,379.60x = 27,300,186,288,126.96
  5. Step 5: Solve for x
    x = 27,300,186,288,126.96/5,200,379.60
  6. Step 6: Final answer
    x = 5,249,652.60

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Double scale
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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.