Home / 5,280,336.74-7,285,615.76-2,988,497.43

Finding the Fourth Proportional to 5,280,336.74, 7,285,615.76 and 2,988,497.43

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Solution

The fourth proportional to 5,280,336.74, 7,285,615.76 and 2,988,497.43 is: 4,123,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,336.74 : 7,285,615.76 = 2,988,497.43 : x
  2. Step 2: Convert to fraction form
    5,280,336.74/7,285,615.76 = 2,988,497.43/x
  3. Step 3: Cross multiply
    5,280,336.74x = 7,285,615.76 × 2,988,497.43
  4. Step 4: Simplify right side
    5,280,336.74x = 21,773,043,982,198.74
  5. Step 5: Solve for x
    x = 21,773,043,982,198.74/5,280,336.74
  6. Step 6: Final answer
    x = 4,123,419.59

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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.