Home / 4,680,902.70-7,017,466.05-1,987,296.30

Finding the Fourth Proportional to 4,680,902.70, 7,017,466.05 and 1,987,296.30

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Solution

The fourth proportional to 4,680,902.70, 7,017,466.05 and 1,987,296.30 is: 2,979,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,902.70 : 7,017,466.05 = 1,987,296.30 : x
  2. Step 2: Convert to fraction form
    4,680,902.70/7,017,466.05 = 1,987,296.30/x
  3. Step 3: Cross multiply
    4,680,902.70x = 7,017,466.05 × 1,987,296.30
  4. Step 4: Simplify right side
    4,680,902.70x = 13,945,784,316,540.62
  5. Step 5: Solve for x
    x = 13,945,784,316,540.62/4,680,902.70
  6. Step 6: Final answer
    x = 2,979,293.78

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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.