Home / 5,118,766.40-7,680,799.20-2,088,353.60

Finding the Fourth Proportional to 5,118,766.40, 7,680,799.20 and 2,088,353.60

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Solution

The fourth proportional to 5,118,766.40, 7,680,799.20 and 2,088,353.60 is: 3,133,611.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118,766.40 : 7,680,799.20 = 2,088,353.60 : x
  2. Step 2: Convert to fraction form
    5,118,766.40/7,680,799.20 = 2,088,353.60/x
  3. Step 3: Cross multiply
    5,118,766.40x = 7,680,799.20 × 2,088,353.60
  4. Step 4: Simplify right side
    5,118,766.40x = 16,040,224,660,197.12
  5. Step 5: Solve for x
    x = 16,040,224,660,197.12/5,118,766.40
  6. Step 6: Final answer
    x = 3,133,611.38

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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.