Home / 5,390,517.60-8,085,776.40-2,193,998.40

Finding the Fourth Proportional to 5,390,517.60, 8,085,776.40 and 2,193,998.40

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Solution

The fourth proportional to 5,390,517.60, 8,085,776.40 and 2,193,998.40 is: 3,290,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,517.60 : 8,085,776.40 = 2,193,998.40 : x
  2. Step 2: Convert to fraction form
    5,390,517.60/8,085,776.40 = 2,193,998.40/x
  3. Step 3: Cross multiply
    5,390,517.60x = 8,085,776.40 × 2,193,998.40
  4. Step 4: Simplify right side
    5,390,517.60x = 17,740,180,484,357.76
  5. Step 5: Solve for x
    x = 17,740,180,484,357.76/5,390,517.60
  6. Step 6: Final answer
    x = 3,290,997.60

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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.