Home / 1,942,728.60-2,914,092.90-1,818,312.60

Finding the Fourth Proportional to 1,942,728.60, 2,914,092.90 and 1,818,312.60

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Solution

The fourth proportional to 1,942,728.60, 2,914,092.90 and 1,818,312.60 is: 2,727,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,728.60 : 2,914,092.90 = 1,818,312.60 : x
  2. Step 2: Convert to fraction form
    1,942,728.60/2,914,092.90 = 1,818,312.60/x
  3. Step 3: Cross multiply
    1,942,728.60x = 2,914,092.90 × 1,818,312.60
  4. Step 4: Simplify right side
    1,942,728.60x = 5,298,731,837,640.54
  5. Step 5: Solve for x
    x = 5,298,731,837,640.54/1,942,728.60
  6. Step 6: Final answer
    x = 2,727,468.90

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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.