Home / 2,085,913.74-3,129,358.82-646,521.92

Finding the Fourth Proportional to 2,085,913.74, 3,129,358.82 and 646,521.92

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Solution

The fourth proportional to 2,085,913.74, 3,129,358.82 and 646,521.92 is: 969,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,913.74 : 3,129,358.82 = 646,521.92 : x
  2. Step 2: Convert to fraction form
    2,085,913.74/3,129,358.82 = 646,521.92/x
  3. Step 3: Cross multiply
    2,085,913.74x = 3,129,358.82 × 646,521.92
  4. Step 4: Simplify right side
    2,085,913.74x = 2,023,199,069,442.73
  5. Step 5: Solve for x
    x = 2,023,199,069,442.73/2,085,913.74
  6. Step 6: Final answer
    x = 969,934.20

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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.