Home / 5,478,763.80-8,218,145.70-2,486,947.80

Finding the Fourth Proportional to 5,478,763.80, 8,218,145.70 and 2,486,947.80

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Solution

The fourth proportional to 5,478,763.80, 8,218,145.70 and 2,486,947.80 is: 3,730,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,763.80 : 8,218,145.70 = 2,486,947.80 : x
  2. Step 2: Convert to fraction form
    5,478,763.80/8,218,145.70 = 2,486,947.80/x
  3. Step 3: Cross multiply
    5,478,763.80x = 8,218,145.70 × 2,486,947.80
  4. Step 4: Simplify right side
    5,478,763.80x = 20,438,099,368,694.46
  5. Step 5: Solve for x
    x = 20,438,099,368,694.46/5,478,763.80
  6. Step 6: Final answer
    x = 3,730,421.70

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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.