Home / 2,916,015.60-4,374,023.40-1,964,233.20

Finding the Fourth Proportional to 2,916,015.60, 4,374,023.40 and 1,964,233.20

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Solution

The fourth proportional to 2,916,015.60, 4,374,023.40 and 1,964,233.20 is: 2,946,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,015.60 : 4,374,023.40 = 1,964,233.20 : x
  2. Step 2: Convert to fraction form
    2,916,015.60/4,374,023.40 = 1,964,233.20/x
  3. Step 3: Cross multiply
    2,916,015.60x = 4,374,023.40 × 1,964,233.20
  4. Step 4: Simplify right side
    2,916,015.60x = 8,591,601,979,856.88
  5. Step 5: Solve for x
    x = 8,591,601,979,856.88/2,916,015.60
  6. Step 6: Final answer
    x = 2,946,349.80

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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.