Home / 1,936,463.76-2,672,132.88-1,120,505.04

Finding the Fourth Proportional to 1,936,463.76, 2,672,132.88 and 1,120,505.04

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Solution

The fourth proportional to 1,936,463.76, 2,672,132.88 and 1,120,505.04 is: 1,546,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,463.76 : 2,672,132.88 = 1,120,505.04 : x
  2. Step 2: Convert to fraction form
    1,936,463.76/2,672,132.88 = 1,120,505.04/x
  3. Step 3: Cross multiply
    1,936,463.76x = 2,672,132.88 × 1,120,505.04
  4. Step 4: Simplify right side
    1,936,463.76x = 2,994,138,359,589.72
  5. Step 5: Solve for x
    x = 2,994,138,359,589.72/1,936,463.76
  6. Step 6: Final answer
    x = 1,546,188.69

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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.