Home / 3,218,114.20-4,825,745.70-1,087,619.80

Finding the Fourth Proportional to 3,218,114.20, 4,825,745.70 and 1,087,619.80

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Solution

The fourth proportional to 3,218,114.20, 4,825,745.70 and 1,087,619.80 is: 1,630,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,114.20 : 4,825,745.70 = 1,087,619.80 : x
  2. Step 2: Convert to fraction form
    3,218,114.20/4,825,745.70 = 1,087,619.80/x
  3. Step 3: Cross multiply
    3,218,114.20x = 4,825,745.70 × 1,087,619.80
  4. Step 4: Simplify right side
    3,218,114.20x = 5,248,576,573,084.86
  5. Step 5: Solve for x
    x = 5,248,576,573,084.86/3,218,114.20
  6. Step 6: Final answer
    x = 1,630,947.89

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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.