Home / 3,399,376.80-5,087,255.40-3,115,941.60

Finding the Fourth Proportional to 3,399,376.80, 5,087,255.40 and 3,115,941.60

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Solution

The fourth proportional to 3,399,376.80, 5,087,255.40 and 3,115,941.60 is: 4,663,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399,376.80 : 5,087,255.40 = 3,115,941.60 : x
  2. Step 2: Convert to fraction form
    3,399,376.80/5,087,255.40 = 3,115,941.60/x
  3. Step 3: Cross multiply
    3,399,376.80x = 5,087,255.40 × 3,115,941.60
  4. Step 4: Simplify right side
    3,399,376.80x = 15,851,590,730,684.64
  5. Step 5: Solve for x
    x = 15,851,590,730,684.64/3,399,376.80
  6. Step 6: Final answer
    x = 4,663,087.28

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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.