Home / 5,280,336.62-7,285,615.60-2,988,497.31

Finding the Fourth Proportional to 5,280,336.62, 7,285,615.60 and 2,988,497.31

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Solution

The fourth proportional to 5,280,336.62, 7,285,615.60 and 2,988,497.31 is: 4,123,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,336.62 : 7,285,615.60 = 2,988,497.31 : x
  2. Step 2: Convert to fraction form
    5,280,336.62/7,285,615.60 = 2,988,497.31/x
  3. Step 3: Cross multiply
    5,280,336.62x = 7,285,615.60 × 2,988,497.31
  4. Step 4: Simplify right side
    5,280,336.62x = 21,773,042,622,294.04
  5. Step 5: Solve for x
    x = 21,773,042,622,294.04/5,280,336.62
  6. Step 6: Final answer
    x = 4,123,419.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.