Home / 2,561,177.80-3,841,985.40-878,281.30

Finding the Fourth Proportional to 2,561,177.80, 3,841,985.40 and 878,281.30

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Solution

The fourth proportional to 2,561,177.80, 3,841,985.40 and 878,281.30 is: 1,317,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,177.80 : 3,841,985.40 = 878,281.30 : x
  2. Step 2: Convert to fraction form
    2,561,177.80/3,841,985.40 = 878,281.30/x
  3. Step 3: Cross multiply
    2,561,177.80x = 3,841,985.40 × 878,281.30
  4. Step 4: Simplify right side
    2,561,177.80x = 3,374,343,931,693.02
  5. Step 5: Solve for x
    x = 3,374,343,931,693.02/2,561,177.80
  6. Step 6: Final answer
    x = 1,317,496.95

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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.