Home / 2,857,007.57-3,942,718.35-1,567,967.90

Finding the Fourth Proportional to 2,857,007.57, 3,942,718.35 and 1,567,967.90

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Solution

The fourth proportional to 2,857,007.57, 3,942,718.35 and 1,567,967.90 is: 2,163,821.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,007.57 : 3,942,718.35 = 1,567,967.90 : x
  2. Step 2: Convert to fraction form
    2,857,007.57/3,942,718.35 = 1,567,967.90/x
  3. Step 3: Cross multiply
    2,857,007.57x = 3,942,718.35 × 1,567,967.90
  4. Step 4: Simplify right side
    2,857,007.57x = 6,182,055,811,540.97
  5. Step 5: Solve for x
    x = 6,182,055,811,540.97/2,857,007.57
  6. Step 6: Final answer
    x = 2,163,821.99

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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.