Home / 2,172,666.80-3,259,000.20-1,274,538.80

Finding the Fourth Proportional to 2,172,666.80, 3,259,000.20 and 1,274,538.80

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Solution

The fourth proportional to 2,172,666.80, 3,259,000.20 and 1,274,538.80 is: 1,911,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,666.80 : 3,259,000.20 = 1,274,538.80 : x
  2. Step 2: Convert to fraction form
    2,172,666.80/3,259,000.20 = 1,274,538.80/x
  3. Step 3: Cross multiply
    2,172,666.80x = 3,259,000.20 × 1,274,538.80
  4. Step 4: Simplify right side
    2,172,666.80x = 4,153,722,204,107.76
  5. Step 5: Solve for x
    x = 4,153,722,204,107.76/2,172,666.80
  6. Step 6: Final answer
    x = 1,911,808.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.