Home / 3,420,618.56-4,720,132.14-2,315,802.58

Finding the Fourth Proportional to 3,420,618.56, 4,720,132.14 and 2,315,802.58

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Solution

The fourth proportional to 3,420,618.56, 4,720,132.14 and 2,315,802.58 is: 3,195,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,618.56 : 4,720,132.14 = 2,315,802.58 : x
  2. Step 2: Convert to fraction form
    3,420,618.56/4,720,132.14 = 2,315,802.58/x
  3. Step 3: Cross multiply
    3,420,618.56x = 4,720,132.14 × 2,315,802.58
  4. Step 4: Simplify right side
    3,420,618.56x = 10,930,894,187,752.92
  5. Step 5: Solve for x
    x = 10,930,894,187,752.92/3,420,618.56
  6. Step 6: Final answer
    x = 3,195,589.92

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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.