Home / 5,178,233.60-7,766,104.80-2,652,588.80

Finding the Fourth Proportional to 5,178,233.60, 7,766,104.80 and 2,652,588.80

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Solution

The fourth proportional to 5,178,233.60, 7,766,104.80 and 2,652,588.80 is: 3,978,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,233.60 : 7,766,104.80 = 2,652,588.80 : x
  2. Step 2: Convert to fraction form
    5,178,233.60/7,766,104.80 = 2,652,588.80/x
  3. Step 3: Cross multiply
    5,178,233.60x = 7,766,104.80 × 2,652,588.80
  4. Step 4: Simplify right side
    5,178,233.60x = 20,600,282,612,106.24
  5. Step 5: Solve for x
    x = 20,600,282,612,106.24/5,178,233.60
  6. Step 6: Final answer
    x = 3,978,245.13

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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.