Home / 5,451,028.80-8,176,543.20-1,860,849.60

Finding the Fourth Proportional to 5,451,028.80, 8,176,543.20 and 1,860,849.60

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Solution

The fourth proportional to 5,451,028.80, 8,176,543.20 and 1,860,849.60 is: 2,791,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,028.80 : 8,176,543.20 = 1,860,849.60 : x
  2. Step 2: Convert to fraction form
    5,451,028.80/8,176,543.20 = 1,860,849.60/x
  3. Step 3: Cross multiply
    5,451,028.80x = 8,176,543.20 × 1,860,849.60
  4. Step 4: Simplify right side
    5,451,028.80x = 15,215,317,143,102.72
  5. Step 5: Solve for x
    x = 15,215,317,143,102.72/5,451,028.80
  6. Step 6: Final answer
    x = 2,791,274.40

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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.