Home / 3,980,498.96-5,488,747.08-2,689,096.88

Finding the Fourth Proportional to 3,980,498.96, 5,488,747.08 and 2,689,096.88

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Solution

The fourth proportional to 3,980,498.96, 5,488,747.08 and 2,689,096.88 is: 3,708,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,498.96 : 5,488,747.08 = 2,689,096.88 : x
  2. Step 2: Convert to fraction form
    3,980,498.96/5,488,747.08 = 2,689,096.88/x
  3. Step 3: Cross multiply
    3,980,498.96x = 5,488,747.08 × 2,689,096.88
  4. Step 4: Simplify right side
    3,980,498.96x = 14,759,772,647,937.11
  5. Step 5: Solve for x
    x = 14,759,772,647,937.11/3,980,498.96
  6. Step 6: Final answer
    x = 3,708,020.73

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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.