Home / 5,638,691.77-7,781,469.29-3,060,403.45

Finding the Fourth Proportional to 5,638,691.77, 7,781,469.29 and 3,060,403.45

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Solution

The fourth proportional to 5,638,691.77, 7,781,469.29 and 3,060,403.45 is: 4,223,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,691.77 : 7,781,469.29 = 3,060,403.45 : x
  2. Step 2: Convert to fraction form
    5,638,691.77/7,781,469.29 = 3,060,403.45/x
  3. Step 3: Cross multiply
    5,638,691.77x = 7,781,469.29 × 3,060,403.45
  4. Step 4: Simplify right side
    5,638,691.77x = 23,814,435,437,905.87
  5. Step 5: Solve for x
    x = 23,814,435,437,905.87/5,638,691.77
  6. Step 6: Final answer
    x = 4,223,397.27

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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.