Home / 2,680,902.88-4,022,666.16-1,261,102.24

Finding the Fourth Proportional to 2,680,902.88, 4,022,666.16 and 1,261,102.24

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Solution

The fourth proportional to 2,680,902.88, 4,022,666.16 and 1,261,102.24 is: 1,892,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,902.88 : 4,022,666.16 = 1,261,102.24 : x
  2. Step 2: Convert to fraction form
    2,680,902.88/4,022,666.16 = 1,261,102.24/x
  3. Step 3: Cross multiply
    2,680,902.88x = 4,022,666.16 × 1,261,102.24
  4. Step 4: Simplify right side
    2,680,902.88x = 5,072,993,305,148.20
  5. Step 5: Solve for x
    x = 5,072,993,305,148.20/2,680,902.88
  6. Step 6: Final answer
    x = 1,892,270.45

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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.