Home / 3,944,565.71-5,443,585.65-2,178,458.52

Finding the Fourth Proportional to 3,944,565.71, 5,443,585.65 and 2,178,458.52

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Solution

The fourth proportional to 3,944,565.71, 5,443,585.65 and 2,178,458.52 is: 3,006,319.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944,565.71 : 5,443,585.65 = 2,178,458.52 : x
  2. Step 2: Convert to fraction form
    3,944,565.71/5,443,585.65 = 2,178,458.52/x
  3. Step 3: Cross multiply
    3,944,565.71x = 5,443,585.65 × 2,178,458.52
  4. Step 4: Simplify right side
    3,944,565.71x = 11,858,625,538,592.24
  5. Step 5: Solve for x
    x = 11,858,625,538,592.24/3,944,565.71
  6. Step 6: Final answer
    x = 3,006,319.68

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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.