Home / 3,882,342.78-5,357,671.92-2,140,074

Finding the Fourth Proportional to 3,882,342.78, 5,357,671.92 and 2,140,074

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Solution

The fourth proportional to 3,882,342.78, 5,357,671.92 and 2,140,074 is: 2,953,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882,342.78 : 5,357,671.92 = 2,140,074 : x
  2. Step 2: Convert to fraction form
    3,882,342.78/5,357,671.92 = 2,140,074/x
  3. Step 3: Cross multiply
    3,882,342.78x = 5,357,671.92 × 2,140,074
  4. Step 4: Simplify right side
    3,882,342.78x = 11,465,814,376,522.08
  5. Step 5: Solve for x
    x = 11,465,814,376,522.08/3,882,342.78
  6. Step 6: Final answer
    x = 2,953,323.55

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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.