Home / 3,275,718.90-4,520,121.14-1,898,778.06

Finding the Fourth Proportional to 3,275,718.90, 4,520,121.14 and 1,898,778.06

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Solution

The fourth proportional to 3,275,718.90, 4,520,121.14 and 1,898,778.06 is: 2,620,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275,718.90 : 4,520,121.14 = 1,898,778.06 : x
  2. Step 2: Convert to fraction form
    3,275,718.90/4,520,121.14 = 1,898,778.06/x
  3. Step 3: Cross multiply
    3,275,718.90x = 4,520,121.14 × 1,898,778.06
  4. Step 4: Simplify right side
    3,275,718.90x = 8,582,706,849,174.19
  5. Step 5: Solve for x
    x = 8,582,706,849,174.19/3,275,718.90
  6. Step 6: Final answer
    x = 2,620,098.71

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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.