Home / 3,180,035.25-4,388,448.65-1,822,695.57

Finding the Fourth Proportional to 3,180,035.25, 4,388,448.65 and 1,822,695.57

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Solution

The fourth proportional to 3,180,035.25, 4,388,448.65 and 1,822,695.57 is: 2,515,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,035.25 : 4,388,448.65 = 1,822,695.57 : x
  2. Step 2: Convert to fraction form
    3,180,035.25/4,388,448.65 = 1,822,695.57/x
  3. Step 3: Cross multiply
    3,180,035.25x = 4,388,448.65 × 1,822,695.57
  4. Step 4: Simplify right side
    3,180,035.25x = 7,998,805,904,414.00
  5. Step 5: Solve for x
    x = 7,998,805,904,414.00/3,180,035.25
  6. Step 6: Final answer
    x = 2,515,319.89

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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.