Home / 5,638,671.43-7,781,369.90-3,060,352.19

Finding the Fourth Proportional to 5,638,671.43, 7,781,369.90 and 3,060,352.19

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Solution

The fourth proportional to 5,638,671.43, 7,781,369.90 and 3,060,352.19 is: 4,223,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,671.43 : 7,781,369.90 = 3,060,352.19 : x
  2. Step 2: Convert to fraction form
    5,638,671.43/7,781,369.90 = 3,060,352.19/x
  3. Step 3: Cross multiply
    5,638,671.43x = 7,781,369.90 × 3,060,352.19
  4. Step 4: Simplify right side
    5,638,671.43x = 23,813,732,418,816.74
  5. Step 5: Solve for x
    x = 23,813,732,418,816.74/5,638,671.43
  6. Step 6: Final answer
    x = 4,223,287.83

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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.