Home / 3,584,905.32-5,377,892.28-1,279,218.72

Finding the Fourth Proportional to 3,584,905.32, 5,377,892.28 and 1,279,218.72

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Solution

The fourth proportional to 3,584,905.32, 5,377,892.28 and 1,279,218.72 is: 1,919,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584,905.32 : 5,377,892.28 = 1,279,218.72 : x
  2. Step 2: Convert to fraction form
    3,584,905.32/5,377,892.28 = 1,279,218.72/x
  3. Step 3: Cross multiply
    3,584,905.32x = 5,377,892.28 × 1,279,218.72
  4. Step 4: Simplify right side
    3,584,905.32x = 6,879,500,473,922.41
  5. Step 5: Solve for x
    x = 6,879,500,473,922.41/3,584,905.32
  6. Step 6: Final answer
    x = 1,919,018.74

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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.