Home / 3,145,920.72-4,718,884.44-782,016.72

Finding the Fourth Proportional to 3,145,920.72, 4,718,884.44 and 782,016.72

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Solution

The fourth proportional to 3,145,920.72, 4,718,884.44 and 782,016.72 is: 1,173,025.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,920.72 : 4,718,884.44 = 782,016.72 : x
  2. Step 2: Convert to fraction form
    3,145,920.72/4,718,884.44 = 782,016.72/x
  3. Step 3: Cross multiply
    3,145,920.72x = 4,718,884.44 × 782,016.72
  4. Step 4: Simplify right side
    3,145,920.72x = 3,690,246,531,827.84
  5. Step 5: Solve for x
    x = 3,690,246,531,827.84/3,145,920.72
  6. Step 6: Final answer
    x = 1,173,025.92

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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.