Home / 3,899,591.10-5,382,788.58-2,679,934.01

Finding the Fourth Proportional to 3,899,591.10, 5,382,788.58 and 2,679,934.01

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Solution

The fourth proportional to 3,899,591.10, 5,382,788.58 and 2,679,934.01 is: 3,699,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,591.10 : 5,382,788.58 = 2,679,934.01 : x
  2. Step 2: Convert to fraction form
    3,899,591.10/5,382,788.58 = 2,679,934.01/x
  3. Step 3: Cross multiply
    3,899,591.10x = 5,382,788.58 × 2,679,934.01
  4. Step 4: Simplify right side
    3,899,591.10x = 14,425,518,157,267.66
  5. Step 5: Solve for x
    x = 14,425,518,157,267.66/3,899,591.10
  6. Step 6: Final answer
    x = 3,699,238.66

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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.