Home / 6,645,201.80-9,972,468.30-2,861,400.20

Finding the Fourth Proportional to 6,645,201.80, 9,972,468.30 and 2,861,400.20

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Solution

The fourth proportional to 6,645,201.80, 9,972,468.30 and 2,861,400.20 is: 4,294,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,201.80 : 9,972,468.30 = 2,861,400.20 : x
  2. Step 2: Convert to fraction form
    6,645,201.80/9,972,468.30 = 2,861,400.20/x
  3. Step 3: Cross multiply
    6,645,201.80x = 9,972,468.30 × 2,861,400.20
  4. Step 4: Simplify right side
    6,645,201.80x = 28,535,222,788,113.66
  5. Step 5: Solve for x
    x = 28,535,222,788,113.66/6,645,201.80
  6. Step 6: Final answer
    x = 4,294,109.29

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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.