Home / 5,638,940.31-7,781,529.15-3,060,565.73

Finding the Fourth Proportional to 5,638,940.31, 7,781,529.15 and 3,060,565.73

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Solution

The fourth proportional to 5,638,940.31, 7,781,529.15 and 3,060,565.73 is: 4,223,467.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,940.31 : 7,781,529.15 = 3,060,565.73 : x
  2. Step 2: Convert to fraction form
    5,638,940.31/7,781,529.15 = 3,060,565.73/x
  3. Step 3: Cross multiply
    5,638,940.31x = 7,781,529.15 × 3,060,565.73
  4. Step 4: Simplify right side
    5,638,940.31x = 23,815,881,443,486.03
  5. Step 5: Solve for x
    x = 23,815,881,443,486.03/5,638,940.31
  6. Step 6: Final answer
    x = 4,223,467.55

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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.