Home / 1,811,979.61-2,500,548.68-996,189.03

Finding the Fourth Proportional to 1,811,979.61, 2,500,548.68 and 996,189.03

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Solution

The fourth proportional to 1,811,979.61, 2,500,548.68 and 996,189.03 is: 1,374,750.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,979.61 : 2,500,548.68 = 996,189.03 : x
  2. Step 2: Convert to fraction form
    1,811,979.61/2,500,548.68 = 996,189.03/x
  3. Step 3: Cross multiply
    1,811,979.61x = 2,500,548.68 × 996,189.03
  4. Step 4: Simplify right side
    1,811,979.61x = 2,491,019,163,996.98
  5. Step 5: Solve for x
    x = 2,491,019,163,996.98/1,811,979.61
  6. Step 6: Final answer
    x = 1,374,750.11

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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.