Home / 3,280,585.20-4,920,877.80-3,206,857.20

Finding the Fourth Proportional to 3,280,585.20, 4,920,877.80 and 3,206,857.20

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Solution

The fourth proportional to 3,280,585.20, 4,920,877.80 and 3,206,857.20 is: 4,810,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,585.20 : 4,920,877.80 = 3,206,857.20 : x
  2. Step 2: Convert to fraction form
    3,280,585.20/4,920,877.80 = 3,206,857.20/x
  3. Step 3: Cross multiply
    3,280,585.20x = 4,920,877.80 × 3,206,857.20
  4. Step 4: Simplify right side
    3,280,585.20x = 15,780,552,403,250.16
  5. Step 5: Solve for x
    x = 15,780,552,403,250.16/3,280,585.20
  6. Step 6: Final answer
    x = 4,810,285.80

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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.