Home / 2,140,682.58-2,955,691.76-1,378,064.61

Finding the Fourth Proportional to 2,140,682.58, 2,955,691.76 and 1,378,064.61

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Solution

The fourth proportional to 2,140,682.58, 2,955,691.76 and 1,378,064.61 is: 1,902,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,682.58 : 2,955,691.76 = 1,378,064.61 : x
  2. Step 2: Convert to fraction form
    2,140,682.58/2,955,691.76 = 1,378,064.61/x
  3. Step 3: Cross multiply
    2,140,682.58x = 2,955,691.76 × 1,378,064.61
  4. Step 4: Simplify right side
    2,140,682.58x = 4,073,134,205,634.29
  5. Step 5: Solve for x
    x = 4,073,134,205,634.29/2,140,682.58
  6. Step 6: Final answer
    x = 1,902,726.84

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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.