Home / 5,638,909.83-7,781,704.43-3,060,591.72

Finding the Fourth Proportional to 5,638,909.83, 7,781,704.43 and 3,060,591.72

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Solution

The fourth proportional to 5,638,909.83, 7,781,704.43 and 3,060,591.72 is: 4,223,621.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,909.83 : 7,781,704.43 = 3,060,591.72 : x
  2. Step 2: Convert to fraction form
    5,638,909.83/7,781,704.43 = 3,060,591.72/x
  3. Step 3: Cross multiply
    5,638,909.83x = 7,781,704.43 × 3,060,591.72
  4. Step 4: Simplify right side
    5,638,909.83x = 23,816,620,145,945.32
  5. Step 5: Solve for x
    x = 23,816,620,145,945.32/5,638,909.83
  6. Step 6: Final answer
    x = 4,223,621.38

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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.