Home / 2,811,891.39-4,214,996.91-1,107,231

Finding the Fourth Proportional to 2,811,891.39, 4,214,996.91 and 1,107,231

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Solution

The fourth proportional to 2,811,891.39, 4,214,996.91 and 1,107,231 is: 1,659,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,891.39 : 4,214,996.91 = 1,107,231 : x
  2. Step 2: Convert to fraction form
    2,811,891.39/4,214,996.91 = 1,107,231/x
  3. Step 3: Cross multiply
    2,811,891.39x = 4,214,996.91 × 1,107,231
  4. Step 4: Simplify right side
    2,811,891.39x = 4,666,975,243,656.21
  5. Step 5: Solve for x
    x = 4,666,975,243,656.21/2,811,891.39
  6. Step 6: Final answer
    x = 1,659,728.13

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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.