Home / 1,629,679.20-2,446,851.60-921,091.20

Finding the Fourth Proportional to 1,629,679.20, 2,446,851.60 and 921,091.20

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Solution

The fourth proportional to 1,629,679.20, 2,446,851.60 and 921,091.20 is: 1,382,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,679.20 : 2,446,851.60 = 921,091.20 : x
  2. Step 2: Convert to fraction form
    1,629,679.20/2,446,851.60 = 921,091.20/x
  3. Step 3: Cross multiply
    1,629,679.20x = 2,446,851.60 × 921,091.20
  4. Step 4: Simplify right side
    1,629,679.20x = 2,253,773,476,465.92
  5. Step 5: Solve for x
    x = 2,253,773,476,465.92/1,629,679.20
  6. Step 6: Final answer
    x = 1,382,955.29

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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.