Home / 3,142,472.43-4,336,489.92-1,920,823.41

Finding the Fourth Proportional to 3,142,472.43, 4,336,489.92 and 1,920,823.41

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Solution

The fourth proportional to 3,142,472.43, 4,336,489.92 and 1,920,823.41 is: 2,650,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,472.43 : 4,336,489.92 = 1,920,823.41 : x
  2. Step 2: Convert to fraction form
    3,142,472.43/4,336,489.92 = 1,920,823.41/x
  3. Step 3: Cross multiply
    3,142,472.43x = 4,336,489.92 × 1,920,823.41
  4. Step 4: Simplify right side
    3,142,472.43x = 8,329,631,355,565.03
  5. Step 5: Solve for x
    x = 8,329,631,355,565.03/3,142,472.43
  6. Step 6: Final answer
    x = 2,650,661.71

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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.