Home / 2,561,127.80-3,841,910.40-878,231.30

Finding the Fourth Proportional to 2,561,127.80, 3,841,910.40 and 878,231.30

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Solution

The fourth proportional to 2,561,127.80, 3,841,910.40 and 878,231.30 is: 1,317,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,127.80 : 3,841,910.40 = 878,231.30 : x
  2. Step 2: Convert to fraction form
    2,561,127.80/3,841,910.40 = 878,231.30/x
  3. Step 3: Cross multiply
    2,561,127.80x = 3,841,910.40 × 878,231.30
  4. Step 4: Simplify right side
    2,561,127.80x = 3,374,085,965,075.52
  5. Step 5: Solve for x
    x = 3,374,085,965,075.52/2,561,127.80
  6. Step 6: Final answer
    x = 1,317,421.94

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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.