Home / 3,851,680.29-5,315,253.86-2,132,763.90

Finding the Fourth Proportional to 3,851,680.29, 5,315,253.86 and 2,132,763.90

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Solution

The fourth proportional to 3,851,680.29, 5,315,253.86 and 2,132,763.90 is: 2,943,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,680.29 : 5,315,253.86 = 2,132,763.90 : x
  2. Step 2: Convert to fraction form
    3,851,680.29/5,315,253.86 = 2,132,763.90/x
  3. Step 3: Cross multiply
    3,851,680.29x = 5,315,253.86 × 2,132,763.90
  4. Step 4: Simplify right side
    3,851,680.29x = 11,336,181,551,943.65
  5. Step 5: Solve for x
    x = 11,336,181,551,943.65/3,851,680.29
  6. Step 6: Final answer
    x = 2,943,178.22

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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.