Home / 3,678,747.13-5,518,951.10-1,120,190.86

Finding the Fourth Proportional to 3,678,747.13, 5,518,951.10 and 1,120,190.86

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Solution

The fourth proportional to 3,678,747.13, 5,518,951.10 and 1,120,190.86 is: 1,680,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,747.13 : 5,518,951.10 = 1,120,190.86 : x
  2. Step 2: Convert to fraction form
    3,678,747.13/5,518,951.10 = 1,120,190.86/x
  3. Step 3: Cross multiply
    3,678,747.13x = 5,518,951.10 × 1,120,190.86
  4. Step 4: Simplify right side
    3,678,747.13x = 6,182,278,579,006.95
  5. Step 5: Solve for x
    x = 6,182,278,579,006.95/3,678,747.13
  6. Step 6: Final answer
    x = 1,680,539.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.