Home / 1,678,394.52-2,517,609.30-1,343,563.61

Finding the Fourth Proportional to 1,678,394.52, 2,517,609.30 and 1,343,563.61

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Solution

The fourth proportional to 1,678,394.52, 2,517,609.30 and 1,343,563.61 is: 2,015,359.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,394.52 : 2,517,609.30 = 1,343,563.61 : x
  2. Step 2: Convert to fraction form
    1,678,394.52/2,517,609.30 = 1,343,563.61/x
  3. Step 3: Cross multiply
    1,678,394.52x = 2,517,609.30 × 1,343,563.61
  4. Step 4: Simplify right side
    1,678,394.52x = 3,382,568,222,051.16
  5. Step 5: Solve for x
    x = 3,382,568,222,051.16/1,678,394.52
  6. Step 6: Final answer
    x = 2,015,359.43

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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.