Home / 2,832,687.20-3,909,057.68-1,543,538.72

Finding the Fourth Proportional to 2,832,687.20, 3,909,057.68 and 1,543,538.72

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Solution

The fourth proportional to 2,832,687.20, 3,909,057.68 and 1,543,538.72 is: 2,130,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832,687.20 : 3,909,057.68 = 1,543,538.72 : x
  2. Step 2: Convert to fraction form
    2,832,687.20/3,909,057.68 = 1,543,538.72/x
  3. Step 3: Cross multiply
    2,832,687.20x = 3,909,057.68 × 1,543,538.72
  4. Step 4: Simplify right side
    2,832,687.20x = 6,033,781,887,793.37
  5. Step 5: Solve for x
    x = 6,033,781,887,793.37/2,832,687.20
  6. Step 6: Final answer
    x = 2,130,055.83

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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.