Home / 6,639,411.20-9,943,151.04-3,790,889.60

Finding the Fourth Proportional to 6,639,411.20, 9,943,151.04 and 3,790,889.60

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Solution

The fourth proportional to 6,639,411.20, 9,943,151.04 and 3,790,889.60 is: 5,677,218.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639,411.20 : 9,943,151.04 = 3,790,889.60 : x
  2. Step 2: Convert to fraction form
    6,639,411.20/9,943,151.04 = 3,790,889.60/x
  3. Step 3: Cross multiply
    6,639,411.20x = 9,943,151.04 × 3,790,889.60
  4. Step 4: Simplify right side
    6,639,411.20x = 37,693,387,868,765.18
  5. Step 5: Solve for x
    x = 37,693,387,868,765.18/6,639,411.20
  6. Step 6: Final answer
    x = 5,677,218.47

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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.