Home / 1,998,076.40-2,757,597.96-1,310,327

Finding the Fourth Proportional to 1,998,076.40, 2,757,597.96 and 1,310,327

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Solution

The fourth proportional to 1,998,076.40, 2,757,597.96 and 1,310,327 is: 1,808,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,076.40 : 2,757,597.96 = 1,310,327 : x
  2. Step 2: Convert to fraction form
    1,998,076.40/2,757,597.96 = 1,310,327/x
  3. Step 3: Cross multiply
    1,998,076.40x = 2,757,597.96 × 1,310,327
  4. Step 4: Simplify right side
    1,998,076.40x = 3,613,355,062,132.92
  5. Step 5: Solve for x
    x = 3,613,355,062,132.92/1,998,076.40
  6. Step 6: Final answer
    x = 1,808,416.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.