Home / 1,451,269.92-1,998,178.56-1,316,748.90

Finding the Fourth Proportional to 1,451,269.92, 1,998,178.56 and 1,316,748.90

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Solution

The fourth proportional to 1,451,269.92, 1,998,178.56 and 1,316,748.90 is: 1,812,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,269.92 : 1,998,178.56 = 1,316,748.90 : x
  2. Step 2: Convert to fraction form
    1,451,269.92/1,998,178.56 = 1,316,748.90/x
  3. Step 3: Cross multiply
    1,451,269.92x = 1,998,178.56 × 1,316,748.90
  4. Step 4: Simplify right side
    1,451,269.92x = 2,631,099,420,883.58
  5. Step 5: Solve for x
    x = 2,631,099,420,883.58/1,451,269.92
  6. Step 6: Final answer
    x = 1,812,963.52

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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.