Home / 3,873,089.30-5,344,788.78-2,130,656.85

Finding the Fourth Proportional to 3,873,089.30, 5,344,788.78 and 2,130,656.85

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Solution

The fourth proportional to 3,873,089.30, 5,344,788.78 and 2,130,656.85 is: 2,940,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873,089.30 : 5,344,788.78 = 2,130,656.85 : x
  2. Step 2: Convert to fraction form
    3,873,089.30/5,344,788.78 = 2,130,656.85/x
  3. Step 3: Cross multiply
    3,873,089.30x = 5,344,788.78 × 2,130,656.85
  4. Step 4: Simplify right side
    3,873,089.30x = 11,387,910,825,910.14
  5. Step 5: Solve for x
    x = 11,387,910,825,910.14/3,873,089.30
  6. Step 6: Final answer
    x = 2,940,265.50

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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.