Home / 1,647,006.11-2,272,846.13-921,853.61

Finding the Fourth Proportional to 1,647,006.11, 2,272,846.13 and 921,853.61

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Solution

The fourth proportional to 1,647,006.11, 2,272,846.13 and 921,853.61 is: 1,272,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,006.11 : 2,272,846.13 = 921,853.61 : x
  2. Step 2: Convert to fraction form
    1,647,006.11/2,272,846.13 = 921,853.61/x
  3. Step 3: Cross multiply
    1,647,006.11x = 2,272,846.13 × 921,853.61
  4. Step 4: Simplify right side
    1,647,006.11x = 2,095,231,405,921.65
  5. Step 5: Solve for x
    x = 2,095,231,405,921.65/1,647,006.11
  6. Step 6: Final answer
    x = 1,272,145.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.