Home / 1,986,561.10-2,741,127.30-1,251,401.08

Finding the Fourth Proportional to 1,986,561.10, 2,741,127.30 and 1,251,401.08

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Solution

The fourth proportional to 1,986,561.10, 2,741,127.30 and 1,251,401.08 is: 1,726,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,561.10 : 2,741,127.30 = 1,251,401.08 : x
  2. Step 2: Convert to fraction form
    1,986,561.10/2,741,127.30 = 1,251,401.08/x
  3. Step 3: Cross multiply
    1,986,561.10x = 2,741,127.30 × 1,251,401.08
  4. Step 4: Simplify right side
    1,986,561.10x = 3,430,249,663,637.48
  5. Step 5: Solve for x
    x = 3,430,249,663,637.48/1,986,561.10
  6. Step 6: Final answer
    x = 1,726,727.49

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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.