Home / 5,428,269.40-8,142,404.10-3,538,701.40

Finding the Fourth Proportional to 5,428,269.40, 8,142,404.10 and 3,538,701.40

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Solution

The fourth proportional to 5,428,269.40, 8,142,404.10 and 3,538,701.40 is: 5,308,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,269.40 : 8,142,404.10 = 3,538,701.40 : x
  2. Step 2: Convert to fraction form
    5,428,269.40/8,142,404.10 = 3,538,701.40/x
  3. Step 3: Cross multiply
    5,428,269.40x = 8,142,404.10 × 3,538,701.40
  4. Step 4: Simplify right side
    5,428,269.40x = 28,813,536,788,035.74
  5. Step 5: Solve for x
    x = 28,813,536,788,035.74/5,428,269.40
  6. Step 6: Final answer
    x = 5,308,052.10

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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.