Home / 2,319,879.52-3,201,468.58-1,287,454.20

Finding the Fourth Proportional to 2,319,879.52, 3,201,468.58 and 1,287,454.20

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Solution

The fourth proportional to 2,319,879.52, 3,201,468.58 and 1,287,454.20 is: 1,776,706.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,879.52 : 3,201,468.58 = 1,287,454.20 : x
  2. Step 2: Convert to fraction form
    2,319,879.52/3,201,468.58 = 1,287,454.20/x
  3. Step 3: Cross multiply
    2,319,879.52x = 3,201,468.58 × 1,287,454.20
  4. Step 4: Simplify right side
    2,319,879.52x = 4,121,744,169,489.04
  5. Step 5: Solve for x
    x = 4,121,744,169,489.04/2,319,879.52
  6. Step 6: Final answer
    x = 1,776,706.13

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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.