Home / 3,239,128.80-4,860,766.80-1,891,288.80

Finding the Fourth Proportional to 3,239,128.80, 4,860,766.80 and 1,891,288.80

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Solution

The fourth proportional to 3,239,128.80, 4,860,766.80 and 1,891,288.80 is: 2,838,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239,128.80 : 4,860,766.80 = 1,891,288.80 : x
  2. Step 2: Convert to fraction form
    3,239,128.80/4,860,766.80 = 1,891,288.80/x
  3. Step 3: Cross multiply
    3,239,128.80x = 4,860,766.80 × 1,891,288.80
  4. Step 4: Simplify right side
    3,239,128.80x = 9,193,113,808,251.84
  5. Step 5: Solve for x
    x = 9,193,113,808,251.84/3,239,128.80
  6. Step 6: Final answer
    x = 2,838,143.95

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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.