Home / 2,561,127.30-3,841,909.65-878,230.80

Finding the Fourth Proportional to 2,561,127.30, 3,841,909.65 and 878,230.80

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Solution

The fourth proportional to 2,561,127.30, 3,841,909.65 and 878,230.80 is: 1,317,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,127.30 : 3,841,909.65 = 878,230.80 : x
  2. Step 2: Convert to fraction form
    2,561,127.30/3,841,909.65 = 878,230.80/x
  3. Step 3: Cross multiply
    2,561,127.30x = 3,841,909.65 × 878,230.80
  4. Step 4: Simplify right side
    2,561,127.30x = 3,374,083,385,447.22
  5. Step 5: Solve for x
    x = 3,374,083,385,447.22/2,561,127.30
  6. Step 6: Final answer
    x = 1,317,421.19

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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.