Home / 3,280,470.30-4,920,705.45-1,149,785.55

Finding the Fourth Proportional to 3,280,470.30, 4,920,705.45 and 1,149,785.55

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Solution

The fourth proportional to 3,280,470.30, 4,920,705.45 and 1,149,785.55 is: 1,724,678.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,470.30 : 4,920,705.45 = 1,149,785.55 : x
  2. Step 2: Convert to fraction form
    3,280,470.30/4,920,705.45 = 1,149,785.55/x
  3. Step 3: Cross multiply
    3,280,470.30x = 4,920,705.45 × 1,149,785.55
  4. Step 4: Simplify right side
    3,280,470.30x = 5,657,756,022,216.25
  5. Step 5: Solve for x
    x = 5,657,756,022,216.25/3,280,470.30
  6. Step 6: Final answer
    x = 1,724,678.33

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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.