Home / 5,451,178.80-8,176,768.20-1,860,999.60

Finding the Fourth Proportional to 5,451,178.80, 8,176,768.20 and 1,860,999.60

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Solution

The fourth proportional to 5,451,178.80, 8,176,768.20 and 1,860,999.60 is: 2,791,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,178.80 : 8,176,768.20 = 1,860,999.60 : x
  2. Step 2: Convert to fraction form
    5,451,178.80/8,176,768.20 = 1,860,999.60/x
  3. Step 3: Cross multiply
    5,451,178.80x = 8,176,768.20 × 1,860,999.60
  4. Step 4: Simplify right side
    5,451,178.80x = 15,216,962,349,492.72
  5. Step 5: Solve for x
    x = 15,216,962,349,492.72/5,451,178.80
  6. Step 6: Final answer
    x = 2,791,499.40

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1.5x scale

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.