Home / 2,281,122.72-3,147,736.05-1,363,169.70

Finding the Fourth Proportional to 2,281,122.72, 3,147,736.05 and 1,363,169.70

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Solution

The fourth proportional to 2,281,122.72, 3,147,736.05 and 1,363,169.70 is: 1,881,046.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,122.72 : 3,147,736.05 = 1,363,169.70 : x
  2. Step 2: Convert to fraction form
    2,281,122.72/3,147,736.05 = 1,363,169.70/x
  3. Step 3: Cross multiply
    2,281,122.72x = 3,147,736.05 × 1,363,169.70
  4. Step 4: Simplify right side
    2,281,122.72x = 4,290,898,406,957.68
  5. Step 5: Solve for x
    x = 4,290,898,406,957.68/2,281,122.72
  6. Step 6: Final answer
    x = 1,881,046.72

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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.