Home / 2,187,664.70-3,282,481.20-768,739.10

Finding the Fourth Proportional to 2,187,664.70, 3,282,481.20 and 768,739.10

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Solution

The fourth proportional to 2,187,664.70, 3,282,481.20 and 768,739.10 is: 1,153,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,664.70 : 3,282,481.20 = 768,739.10 : x
  2. Step 2: Convert to fraction form
    2,187,664.70/3,282,481.20 = 768,739.10/x
  3. Step 3: Cross multiply
    2,187,664.70x = 3,282,481.20 × 768,739.10
  4. Step 4: Simplify right side
    2,187,664.70x = 2,523,371,643,454.92
  5. Step 5: Solve for x
    x = 2,523,371,643,454.92/2,187,664.70
  6. Step 6: Final answer
    x = 1,153,454.48

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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.