Home / 2,178,610.65-3,267,939.74-662,540.13

Finding the Fourth Proportional to 2,178,610.65, 3,267,939.74 and 662,540.13

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Solution

The fourth proportional to 2,178,610.65, 3,267,939.74 and 662,540.13 is: 993,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,610.65 : 3,267,939.74 = 662,540.13 : x
  2. Step 2: Convert to fraction form
    2,178,610.65/3,267,939.74 = 662,540.13/x
  3. Step 3: Cross multiply
    2,178,610.65x = 3,267,939.74 × 662,540.13
  4. Step 4: Simplify right side
    2,178,610.65x = 2,165,141,216,859.07
  5. Step 5: Solve for x
    x = 2,165,141,216,859.07/2,178,610.65
  6. Step 6: Final answer
    x = 993,817.42

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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.