Home / 3,565,084.10-4,920,445.04-2,115,578.78

Finding the Fourth Proportional to 3,565,084.10, 4,920,445.04 and 2,115,578.78

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Solution

The fourth proportional to 3,565,084.10, 4,920,445.04 and 2,115,578.78 is: 2,919,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565,084.10 : 4,920,445.04 = 2,115,578.78 : x
  2. Step 2: Convert to fraction form
    3,565,084.10/4,920,445.04 = 2,115,578.78/x
  3. Step 3: Cross multiply
    3,565,084.10x = 4,920,445.04 × 2,115,578.78
  4. Step 4: Simplify right side
    3,565,084.10x = 10,409,589,079,600.13
  5. Step 5: Solve for x
    x = 10,409,589,079,600.13/3,565,084.10
  6. Step 6: Final answer
    x = 2,919,871.96

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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.