Home / 2,261,658.48-3,121,112.80-1,229,166.32

Finding the Fourth Proportional to 2,261,658.48, 3,121,112.80 and 1,229,166.32

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Solution

The fourth proportional to 2,261,658.48, 3,121,112.80 and 1,229,166.32 is: 1,696,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,658.48 : 3,121,112.80 = 1,229,166.32 : x
  2. Step 2: Convert to fraction form
    2,261,658.48/3,121,112.80 = 1,229,166.32/x
  3. Step 3: Cross multiply
    2,261,658.48x = 3,121,112.80 × 1,229,166.32
  4. Step 4: Simplify right side
    2,261,658.48x = 3,836,366,734,680.90
  5. Step 5: Solve for x
    x = 3,836,366,734,680.90/2,261,658.48
  6. Step 6: Final answer
    x = 1,696,262.62

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Double scale
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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.