Home / 2,871,052.80-4,307,209.92-849,139.11

Finding the Fourth Proportional to 2,871,052.80, 4,307,209.92 and 849,139.11

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Solution

The fourth proportional to 2,871,052.80, 4,307,209.92 and 849,139.11 is: 1,273,895.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,052.80 : 4,307,209.92 = 849,139.11 : x
  2. Step 2: Convert to fraction form
    2,871,052.80/4,307,209.92 = 849,139.11/x
  3. Step 3: Cross multiply
    2,871,052.80x = 4,307,209.92 × 849,139.11
  4. Step 4: Simplify right side
    2,871,052.80x = 3,657,420,398,051.97
  5. Step 5: Solve for x
    x = 3,657,420,398,051.97/2,871,052.80
  6. Step 6: Final answer
    x = 1,273,895.21

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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.