Home / 2,121,336.21-3,182,400.14-702,391.17

Finding the Fourth Proportional to 2,121,336.21, 3,182,400.14 and 702,391.17

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Solution

The fourth proportional to 2,121,336.21, 3,182,400.14 and 702,391.17 is: 1,053,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,336.21 : 3,182,400.14 = 702,391.17 : x
  2. Step 2: Convert to fraction form
    2,121,336.21/3,182,400.14 = 702,391.17/x
  3. Step 3: Cross multiply
    2,121,336.21x = 3,182,400.14 × 702,391.17
  4. Step 4: Simplify right side
    2,121,336.21x = 2,235,289,754,230.81
  5. Step 5: Solve for x
    x = 2,235,289,754,230.81/2,121,336.21
  6. Step 6: Final answer
    x = 1,053,717.81

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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.