Home / 2,103,151.28-3,154,235.40-682,842.80

Finding the Fourth Proportional to 2,103,151.28, 3,154,235.40 and 682,842.80

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Solution

The fourth proportional to 2,103,151.28, 3,154,235.40 and 682,842.80 is: 1,024,104.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,151.28 : 3,154,235.40 = 682,842.80 : x
  2. Step 2: Convert to fraction form
    2,103,151.28/3,154,235.40 = 682,842.80/x
  3. Step 3: Cross multiply
    2,103,151.28x = 3,154,235.40 × 682,842.80
  4. Step 4: Simplify right side
    2,103,151.28x = 2,153,846,932,395.12
  5. Step 5: Solve for x
    x = 2,153,846,932,395.12/2,103,151.28
  6. Step 6: Final answer
    x = 1,024,104.62

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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.