Home / 2,187,748.80-3,281,623.20-767,948.40

Finding the Fourth Proportional to 2,187,748.80, 3,281,623.20 and 767,948.40

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Solution

The fourth proportional to 2,187,748.80, 3,281,623.20 and 767,948.40 is: 1,151,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,748.80 : 3,281,623.20 = 767,948.40 : x
  2. Step 2: Convert to fraction form
    2,187,748.80/3,281,623.20 = 767,948.40/x
  3. Step 3: Cross multiply
    2,187,748.80x = 3,281,623.20 × 767,948.40
  4. Step 4: Simplify right side
    2,187,748.80x = 2,520,117,285,842.88
  5. Step 5: Solve for x
    x = 2,520,117,285,842.88/2,187,748.80
  6. Step 6: Final answer
    x = 1,151,922.60

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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.