Home / 3,979,824.32-5,490,562.88-2,509,249.30

Finding the Fourth Proportional to 3,979,824.32, 5,490,562.88 and 2,509,249.30

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Solution

The fourth proportional to 3,979,824.32, 5,490,562.88 and 2,509,249.30 is: 3,461,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,824.32 : 5,490,562.88 = 2,509,249.30 : x
  2. Step 2: Convert to fraction form
    3,979,824.32/5,490,562.88 = 2,509,249.30/x
  3. Step 3: Cross multiply
    3,979,824.32x = 5,490,562.88 × 2,509,249.30
  4. Step 4: Simplify right side
    3,979,824.32x = 13,777,191,063,245.98
  5. Step 5: Solve for x
    x = 13,777,191,063,245.98/3,979,824.32
  6. Step 6: Final answer
    x = 3,461,758.60

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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.