Home / 2,774,951.10-4,162,426.65-780,147.90

Finding the Fourth Proportional to 2,774,951.10, 4,162,426.65 and 780,147.90

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Solution

The fourth proportional to 2,774,951.10, 4,162,426.65 and 780,147.90 is: 1,170,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,951.10 : 4,162,426.65 = 780,147.90 : x
  2. Step 2: Convert to fraction form
    2,774,951.10/4,162,426.65 = 780,147.90/x
  3. Step 3: Cross multiply
    2,774,951.10x = 4,162,426.65 × 780,147.90
  4. Step 4: Simplify right side
    2,774,951.10x = 3,247,308,409,901.54
  5. Step 5: Solve for x
    x = 3,247,308,409,901.54/2,774,951.10
  6. Step 6: Final answer
    x = 1,170,221.85

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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.