Home / 4,118,158.13-5,680,107.23-2,721,101.63

Finding the Fourth Proportional to 4,118,158.13, 5,680,107.23 and 2,721,101.63

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Solution

The fourth proportional to 4,118,158.13, 5,680,107.23 and 2,721,101.63 is: 3,753,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118,158.13 : 5,680,107.23 = 2,721,101.63 : x
  2. Step 2: Convert to fraction form
    4,118,158.13/5,680,107.23 = 2,721,101.63/x
  3. Step 3: Cross multiply
    4,118,158.13x = 5,680,107.23 × 2,721,101.63
  4. Step 4: Simplify right side
    4,118,158.13x = 15,456,149,000,121.74
  5. Step 5: Solve for x
    x = 15,456,149,000,121.74/4,118,158.13
  6. Step 6: Final answer
    x = 3,753,170.36

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1.5x scale

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.