Home / 2,753,010.40-4,129,515.60-859,943.20

Finding the Fourth Proportional to 2,753,010.40, 4,129,515.60 and 859,943.20

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Solution

The fourth proportional to 2,753,010.40, 4,129,515.60 and 859,943.20 is: 1,289,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753,010.40 : 4,129,515.60 = 859,943.20 : x
  2. Step 2: Convert to fraction form
    2,753,010.40/4,129,515.60 = 859,943.20/x
  3. Step 3: Cross multiply
    2,753,010.40x = 4,129,515.60 × 859,943.20
  4. Step 4: Simplify right side
    2,753,010.40x = 3,551,148,859,513.92
  5. Step 5: Solve for x
    x = 3,551,148,859,513.92/2,753,010.40
  6. Step 6: Final answer
    x = 1,289,914.80

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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.