Home / 1,871,192.60-2,808,101.10-1,198,908.80

Finding the Fourth Proportional to 1,871,192.60, 2,808,101.10 and 1,198,908.80

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Solution

The fourth proportional to 1,871,192.60, 2,808,101.10 and 1,198,908.80 is: 1,799,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,192.60 : 2,808,101.10 = 1,198,908.80 : x
  2. Step 2: Convert to fraction form
    1,871,192.60/2,808,101.10 = 1,198,908.80/x
  3. Step 3: Cross multiply
    1,871,192.60x = 2,808,101.10 × 1,198,908.80
  4. Step 4: Simplify right side
    1,871,192.60x = 3,366,657,120,079.68
  5. Step 5: Solve for x
    x = 3,366,657,120,079.68/1,871,192.60
  6. Step 6: Final answer
    x = 1,799,203.95

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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.