Home / 2,643,138.93-3,964,711.88-724,067.20

Finding the Fourth Proportional to 2,643,138.93, 3,964,711.88 and 724,067.20

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Solution

The fourth proportional to 2,643,138.93, 3,964,711.88 and 724,067.20 is: 1,086,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,138.93 : 3,964,711.88 = 724,067.20 : x
  2. Step 2: Convert to fraction form
    2,643,138.93/3,964,711.88 = 724,067.20/x
  3. Step 3: Cross multiply
    2,643,138.93x = 3,964,711.88 × 724,067.20
  4. Step 4: Simplify right side
    2,643,138.93x = 2,870,717,843,602.27
  5. Step 5: Solve for x
    x = 2,870,717,843,602.27/2,643,138.93
  6. Step 6: Final answer
    x = 1,086,101.76

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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.