Home / 2,572,939.12-3,858,866.88-1,659,385.12

Finding the Fourth Proportional to 2,572,939.12, 3,858,866.88 and 1,659,385.12

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Solution

The fourth proportional to 2,572,939.12, 3,858,866.88 and 1,659,385.12 is: 2,488,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572,939.12 : 3,858,866.88 = 1,659,385.12 : x
  2. Step 2: Convert to fraction form
    2,572,939.12/3,858,866.88 = 1,659,385.12/x
  3. Step 3: Cross multiply
    2,572,939.12x = 3,858,866.88 × 1,659,385.12
  4. Step 4: Simplify right side
    2,572,939.12x = 6,403,346,280,732.83
  5. Step 5: Solve for x
    x = 6,403,346,280,732.83/2,572,939.12
  6. Step 6: Final answer
    x = 2,488,728.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.