Home / 2,132,622.66-3,198,934-712,678.74

Finding the Fourth Proportional to 2,132,622.66, 3,198,934 and 712,678.74

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Solution

The fourth proportional to 2,132,622.66, 3,198,934 and 712,678.74 is: 1,069,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,622.66 : 3,198,934 = 712,678.74 : x
  2. Step 2: Convert to fraction form
    2,132,622.66/3,198,934 = 712,678.74/x
  3. Step 3: Cross multiply
    2,132,622.66x = 3,198,934 × 712,678.74
  4. Step 4: Simplify right side
    2,132,622.66x = 2,279,812,252,463.16
  5. Step 5: Solve for x
    x = 2,279,812,252,463.16/2,132,622.66
  6. Step 6: Final answer
    x = 1,069,018.11

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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.