Home / 4,780,385.83-7,165,390.44-3,138,374.03

Finding the Fourth Proportional to 4,780,385.83, 7,165,390.44 and 3,138,374.03

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Solution

The fourth proportional to 4,780,385.83, 7,165,390.44 and 3,138,374.03 is: 4,704,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780,385.83 : 7,165,390.44 = 3,138,374.03 : x
  2. Step 2: Convert to fraction form
    4,780,385.83/7,165,390.44 = 3,138,374.03/x
  3. Step 3: Cross multiply
    4,780,385.83x = 7,165,390.44 × 3,138,374.03
  4. Step 4: Simplify right side
    4,780,385.83x = 22,487,675,281,626.17
  5. Step 5: Solve for x
    x = 22,487,675,281,626.17/4,780,385.83
  6. Step 6: Final answer
    x = 4,704,154.87

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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.