Home / 2,557,965.80-3,842,651.10-2,138,061.80

Finding the Fourth Proportional to 2,557,965.80, 3,842,651.10 and 2,138,061.80

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Solution

The fourth proportional to 2,557,965.80, 3,842,651.10 and 2,138,061.80 is: 3,211,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557,965.80 : 3,842,651.10 = 2,138,061.80 : x
  2. Step 2: Convert to fraction form
    2,557,965.80/3,842,651.10 = 2,138,061.80/x
  3. Step 3: Cross multiply
    2,557,965.80x = 3,842,651.10 × 2,138,061.80
  4. Step 4: Simplify right side
    2,557,965.80x = 8,215,825,527,637.98
  5. Step 5: Solve for x
    x = 8,215,825,527,637.98/2,557,965.80
  6. Step 6: Final answer
    x = 3,211,859.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.