Home / 2,862,079.12-3,949,763.88-1,572,965.20

Finding the Fourth Proportional to 2,862,079.12, 3,949,763.88 and 1,572,965.20

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Solution

The fourth proportional to 2,862,079.12, 3,949,763.88 and 1,572,965.20 is: 2,170,744.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862,079.12 : 3,949,763.88 = 1,572,965.20 : x
  2. Step 2: Convert to fraction form
    2,862,079.12/3,949,763.88 = 1,572,965.20/x
  3. Step 3: Cross multiply
    2,862,079.12x = 3,949,763.88 × 1,572,965.20
  4. Step 4: Simplify right side
    2,862,079.12x = 6,212,841,131,456.98
  5. Step 5: Solve for x
    x = 6,212,841,131,456.98/2,862,079.12
  6. Step 6: Final answer
    x = 2,170,744.02

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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.