Home / 5,638,939.31-7,781,527.77-3,060,564.73

Finding the Fourth Proportional to 5,638,939.31, 7,781,527.77 and 3,060,564.73

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Solution

The fourth proportional to 5,638,939.31, 7,781,527.77 and 3,060,564.73 is: 4,223,466.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,939.31 : 7,781,527.77 = 3,060,564.73 : x
  2. Step 2: Convert to fraction form
    5,638,939.31/7,781,527.77 = 3,060,564.73/x
  3. Step 3: Cross multiply
    5,638,939.31x = 7,781,527.77 × 3,060,564.73
  4. Step 4: Simplify right side
    5,638,939.31x = 23,815,869,438,377.55
  5. Step 5: Solve for x
    x = 23,815,869,438,377.55/5,638,939.31
  6. Step 6: Final answer
    x = 4,223,466.17

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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.