Home / 5,227,935.60-7,831,405.80-2,981,449.20

Finding the Fourth Proportional to 5,227,935.60, 7,831,405.80 and 2,981,449.20

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Solution

The fourth proportional to 5,227,935.60, 7,831,405.80 and 2,981,449.20 is: 4,466,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227,935.60 : 7,831,405.80 = 2,981,449.20 : x
  2. Step 2: Convert to fraction form
    5,227,935.60/7,831,405.80 = 2,981,449.20/x
  3. Step 3: Cross multiply
    5,227,935.60x = 7,831,405.80 × 2,981,449.20
  4. Step 4: Simplify right side
    5,227,935.60x = 23,348,938,557,285.36
  5. Step 5: Solve for x
    x = 23,348,938,557,285.36/5,227,935.60
  6. Step 6: Final answer
    x = 4,466,187.10

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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.