Home / 2,589,622.38-3,573,600.66-1,428,068.88

Finding the Fourth Proportional to 2,589,622.38, 3,573,600.66 and 1,428,068.88

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Solution

The fourth proportional to 2,589,622.38, 3,573,600.66 and 1,428,068.88 is: 1,970,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,622.38 : 3,573,600.66 = 1,428,068.88 : x
  2. Step 2: Convert to fraction form
    2,589,622.38/3,573,600.66 = 1,428,068.88/x
  3. Step 3: Cross multiply
    2,589,622.38x = 3,573,600.66 × 1,428,068.88
  4. Step 4: Simplify right side
    2,589,622.38x = 5,103,347,892,093.46
  5. Step 5: Solve for x
    x = 5,103,347,892,093.46/2,589,622.38
  6. Step 6: Final answer
    x = 1,970,691.92

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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.