Home / 2,821,242.85-3,894,507.05-1,904,713.52

Finding the Fourth Proportional to 2,821,242.85, 3,894,507.05 and 1,904,713.52

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Solution

The fourth proportional to 2,821,242.85, 3,894,507.05 and 1,904,713.52 is: 2,629,309.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,242.85 : 3,894,507.05 = 1,904,713.52 : x
  2. Step 2: Convert to fraction form
    2,821,242.85/3,894,507.05 = 1,904,713.52/x
  3. Step 3: Cross multiply
    2,821,242.85x = 3,894,507.05 × 1,904,713.52
  4. Step 4: Simplify right side
    2,821,242.85x = 7,417,920,231,870.32
  5. Step 5: Solve for x
    x = 7,417,920,231,870.32/2,821,242.85
  6. Step 6: Final answer
    x = 2,629,309.36

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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.