Home / 3,326,491.20-4,989,736.80-3,195,854.40

Finding the Fourth Proportional to 3,326,491.20, 4,989,736.80 and 3,195,854.40

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Solution

The fourth proportional to 3,326,491.20, 4,989,736.80 and 3,195,854.40 is: 4,793,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326,491.20 : 4,989,736.80 = 3,195,854.40 : x
  2. Step 2: Convert to fraction form
    3,326,491.20/4,989,736.80 = 3,195,854.40/x
  3. Step 3: Cross multiply
    3,326,491.20x = 4,989,736.80 × 3,195,854.40
  4. Step 4: Simplify right side
    3,326,491.20x = 15,946,472,307,121.92
  5. Step 5: Solve for x
    x = 15,946,472,307,121.92/3,326,491.20
  6. Step 6: Final answer
    x = 4,793,781.60

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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.