Home / 2,172,186.30-3,258,279.45-1,969,232.70

Finding the Fourth Proportional to 2,172,186.30, 3,258,279.45 and 1,969,232.70

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Solution

The fourth proportional to 2,172,186.30, 3,258,279.45 and 1,969,232.70 is: 2,953,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,186.30 : 3,258,279.45 = 1,969,232.70 : x
  2. Step 2: Convert to fraction form
    2,172,186.30/3,258,279.45 = 1,969,232.70/x
  3. Step 3: Cross multiply
    2,172,186.30x = 3,258,279.45 × 1,969,232.70
  4. Step 4: Simplify right side
    2,172,186.30x = 6,416,310,438,678.02
  5. Step 5: Solve for x
    x = 6,416,310,438,678.02/2,172,186.30
  6. Step 6: Final answer
    x = 2,953,849.05

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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.