Home / 2,661,015.40-3,991,134.30-767,559.40

Finding the Fourth Proportional to 2,661,015.40, 3,991,134.30 and 767,559.40

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Solution

The fourth proportional to 2,661,015.40, 3,991,134.30 and 767,559.40 is: 1,151,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,015.40 : 3,991,134.30 = 767,559.40 : x
  2. Step 2: Convert to fraction form
    2,661,015.40/3,991,134.30 = 767,559.40/x
  3. Step 3: Cross multiply
    2,661,015.40x = 3,991,134.30 × 767,559.40
  4. Step 4: Simplify right side
    2,661,015.40x = 3,063,432,648,627.42
  5. Step 5: Solve for x
    x = 3,063,432,648,627.42/2,661,015.40
  6. Step 6: Final answer
    x = 1,151,226.95

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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.