Home / 3,278,399.04-4,916,416.32-1,385,287.20

Finding the Fourth Proportional to 3,278,399.04, 4,916,416.32 and 1,385,287.20

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Solution

The fourth proportional to 3,278,399.04, 4,916,416.32 and 1,385,287.20 is: 2,077,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,399.04 : 4,916,416.32 = 1,385,287.20 : x
  2. Step 2: Convert to fraction form
    3,278,399.04/4,916,416.32 = 1,385,287.20/x
  3. Step 3: Cross multiply
    3,278,399.04x = 4,916,416.32 × 1,385,287.20
  4. Step 4: Simplify right side
    3,278,399.04x = 6,810,648,597,967.11
  5. Step 5: Solve for x
    x = 6,810,648,597,967.11/3,278,399.04
  6. Step 6: Final answer
    x = 2,077,431.24

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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.