Home / 5,141,385.60-7,712,078.40-2,621,961.60

Finding the Fourth Proportional to 5,141,385.60, 7,712,078.40 and 2,621,961.60

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Solution

The fourth proportional to 5,141,385.60, 7,712,078.40 and 2,621,961.60 is: 3,932,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141,385.60 : 7,712,078.40 = 2,621,961.60 : x
  2. Step 2: Convert to fraction form
    5,141,385.60/7,712,078.40 = 2,621,961.60/x
  3. Step 3: Cross multiply
    5,141,385.60x = 7,712,078.40 × 2,621,961.60
  4. Step 4: Simplify right side
    5,141,385.60x = 20,220,773,420,989.44
  5. Step 5: Solve for x
    x = 20,220,773,420,989.44/5,141,385.60
  6. Step 6: Final answer
    x = 3,932,942.40

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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.