Home / 5,141,375.60-7,712,063.40-2,621,951.60

Finding the Fourth Proportional to 5,141,375.60, 7,712,063.40 and 2,621,951.60

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Solution

The fourth proportional to 5,141,375.60, 7,712,063.40 and 2,621,951.60 is: 3,932,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141,375.60 : 7,712,063.40 = 2,621,951.60 : x
  2. Step 2: Convert to fraction form
    5,141,375.60/7,712,063.40 = 2,621,951.60/x
  3. Step 3: Cross multiply
    5,141,375.60x = 7,712,063.40 × 2,621,951.60
  4. Step 4: Simplify right side
    5,141,375.60x = 20,220,656,970,931.44
  5. Step 5: Solve for x
    x = 20,220,656,970,931.44/5,141,375.60
  6. Step 6: Final answer
    x = 3,932,927.40

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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.