Home / 6,381,961.60-9,573,817.20-2,121,685.60

Finding the Fourth Proportional to 6,381,961.60, 9,573,817.20 and 2,121,685.60

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Solution

The fourth proportional to 6,381,961.60, 9,573,817.20 and 2,121,685.60 is: 3,182,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,961.60 : 9,573,817.20 = 2,121,685.60 : x
  2. Step 2: Convert to fraction form
    6,381,961.60/9,573,817.20 = 2,121,685.60/x
  3. Step 3: Cross multiply
    6,381,961.60x = 9,573,817.20 × 2,121,685.60
  4. Step 4: Simplify right side
    6,381,961.60x = 20,312,630,090,272.32
  5. Step 5: Solve for x
    x = 20,312,630,090,272.32/6,381,961.60
  6. Step 6: Final answer
    x = 3,182,819.23

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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.