Home / 1,866,167.20-2,799,250.80-921,383.20

Finding the Fourth Proportional to 1,866,167.20, 2,799,250.80 and 921,383.20

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Solution

The fourth proportional to 1,866,167.20, 2,799,250.80 and 921,383.20 is: 1,382,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,167.20 : 2,799,250.80 = 921,383.20 : x
  2. Step 2: Convert to fraction form
    1,866,167.20/2,799,250.80 = 921,383.20/x
  3. Step 3: Cross multiply
    1,866,167.20x = 2,799,250.80 × 921,383.20
  4. Step 4: Simplify right side
    1,866,167.20x = 2,579,182,659,706.56
  5. Step 5: Solve for x
    x = 2,579,182,659,706.56/1,866,167.20
  6. Step 6: Final answer
    x = 1,382,074.80

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Similar ratio
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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.