Home / 5,451,512.40-8,177,657.40-1,664,989.20

Finding the Fourth Proportional to 5,451,512.40, 8,177,657.40 and 1,664,989.20

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Solution

The fourth proportional to 5,451,512.40, 8,177,657.40 and 1,664,989.20 is: 2,497,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,512.40 : 8,177,657.40 = 1,664,989.20 : x
  2. Step 2: Convert to fraction form
    5,451,512.40/8,177,657.40 = 1,664,989.20/x
  3. Step 3: Cross multiply
    5,451,512.40x = 8,177,657.40 × 1,664,989.20
  4. Step 4: Simplify right side
    5,451,512.40x = 13,615,711,252,300.08
  5. Step 5: Solve for x
    x = 13,615,711,252,300.08/5,451,512.40
  6. Step 6: Final answer
    x = 2,497,602.55

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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.