Home / 2,187,351.20-3,281,026.80-766,894.70

Finding the Fourth Proportional to 2,187,351.20, 3,281,026.80 and 766,894.70

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Solution

The fourth proportional to 2,187,351.20, 3,281,026.80 and 766,894.70 is: 1,150,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,351.20 : 3,281,026.80 = 766,894.70 : x
  2. Step 2: Convert to fraction form
    2,187,351.20/3,281,026.80 = 766,894.70/x
  3. Step 3: Cross multiply
    2,187,351.20x = 3,281,026.80 × 766,894.70
  4. Step 4: Simplify right side
    2,187,351.20x = 2,516,202,063,477.96
  5. Step 5: Solve for x
    x = 2,516,202,063,477.96/2,187,351.20
  6. Step 6: Final answer
    x = 1,150,342.05

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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.