Home / 2,577,380.80-3,866,071.20-2,561,634.40

Finding the Fourth Proportional to 2,577,380.80, 3,866,071.20 and 2,561,634.40

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Solution

The fourth proportional to 2,577,380.80, 3,866,071.20 and 2,561,634.40 is: 3,842,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577,380.80 : 3,866,071.20 = 2,561,634.40 : x
  2. Step 2: Convert to fraction form
    2,577,380.80/3,866,071.20 = 2,561,634.40/x
  3. Step 3: Cross multiply
    2,577,380.80x = 3,866,071.20 × 2,561,634.40
  4. Step 4: Simplify right side
    2,577,380.80x = 9,903,460,978,769.28
  5. Step 5: Solve for x
    x = 9,903,460,978,769.28/2,577,380.80
  6. Step 6: Final answer
    x = 3,842,451.60

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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.