Home / 2,189,831.10-3,282,511.05-1,479,930.90

Finding the Fourth Proportional to 2,189,831.10, 3,282,511.05 and 1,479,930.90

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Solution

The fourth proportional to 2,189,831.10, 3,282,511.05 and 1,479,930.90 is: 2,218,385.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,831.10 : 3,282,511.05 = 1,479,930.90 : x
  2. Step 2: Convert to fraction form
    2,189,831.10/3,282,511.05 = 1,479,930.90/x
  3. Step 3: Cross multiply
    2,189,831.10x = 3,282,511.05 × 1,479,930.90
  4. Step 4: Simplify right side
    2,189,831.10x = 4,857,889,532,486.44
  5. Step 5: Solve for x
    x = 4,857,889,532,486.44/2,189,831.10
  6. Step 6: Final answer
    x = 2,218,385.49

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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.