Home / 1,781,942.73-2,666,528.78-1,542,881.31

Finding the Fourth Proportional to 1,781,942.73, 2,666,528.78 and 1,542,881.31

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Solution

The fourth proportional to 1,781,942.73, 2,666,528.78 and 1,542,881.31 is: 2,308,793.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,942.73 : 2,666,528.78 = 1,542,881.31 : x
  2. Step 2: Convert to fraction form
    1,781,942.73/2,666,528.78 = 1,542,881.31/x
  3. Step 3: Cross multiply
    1,781,942.73x = 2,666,528.78 × 1,542,881.31
  4. Step 4: Simplify right side
    1,781,942.73x = 4,114,137,409,524.70
  5. Step 5: Solve for x
    x = 4,114,137,409,524.70/1,781,942.73
  6. Step 6: Final answer
    x = 2,308,793.29

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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.