Home / 3,989,830.56-5,505,972.48-2,270,951.20

Finding the Fourth Proportional to 3,989,830.56, 5,505,972.48 and 2,270,951.20

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Solution

The fourth proportional to 3,989,830.56, 5,505,972.48 and 2,270,951.20 is: 3,133,916.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,830.56 : 5,505,972.48 = 2,270,951.20 : x
  2. Step 2: Convert to fraction form
    3,989,830.56/5,505,972.48 = 2,270,951.20/x
  3. Step 3: Cross multiply
    3,989,830.56x = 5,505,972.48 × 2,270,951.20
  4. Step 4: Simplify right side
    3,989,830.56x = 12,503,794,810,622.98
  5. Step 5: Solve for x
    x = 12,503,794,810,622.98/3,989,830.56
  6. Step 6: Final answer
    x = 3,133,916.25

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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.