Home / 2,121,338.46-3,182,403.51-702,393.42

Finding the Fourth Proportional to 2,121,338.46, 3,182,403.51 and 702,393.42

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Solution

The fourth proportional to 2,121,338.46, 3,182,403.51 and 702,393.42 is: 1,053,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,338.46 : 3,182,403.51 = 702,393.42 : x
  2. Step 2: Convert to fraction form
    2,121,338.46/3,182,403.51 = 702,393.42/x
  3. Step 3: Cross multiply
    2,121,338.46x = 3,182,403.51 × 702,393.42
  4. Step 4: Simplify right side
    2,121,338.46x = 2,235,299,285,208.90
  5. Step 5: Solve for x
    x = 2,235,299,285,208.90/2,121,338.46
  6. Step 6: Final answer
    x = 1,053,721.19

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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.