Home / 3,942,248.88-5,440,311.36-2,131,412.88

Finding the Fourth Proportional to 3,942,248.88, 5,440,311.36 and 2,131,412.88

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Solution

The fourth proportional to 3,942,248.88, 5,440,311.36 and 2,131,412.88 is: 2,941,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,248.88 : 5,440,311.36 = 2,131,412.88 : x
  2. Step 2: Convert to fraction form
    3,942,248.88/5,440,311.36 = 2,131,412.88/x
  3. Step 3: Cross multiply
    3,942,248.88x = 5,440,311.36 × 2,131,412.88
  4. Step 4: Simplify right side
    3,942,248.88x = 11,595,549,703,914.32
  5. Step 5: Solve for x
    x = 11,595,549,703,914.32/3,942,248.88
  6. Step 6: Final answer
    x = 2,941,354.05

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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.