Home / 2,090,691.87-2,884,805.06-1,231,423.22

Finding the Fourth Proportional to 2,090,691.87, 2,884,805.06 and 1,231,423.22

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Solution

The fourth proportional to 2,090,691.87, 2,884,805.06 and 1,231,423.22 is: 1,699,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,691.87 : 2,884,805.06 = 1,231,423.22 : x
  2. Step 2: Convert to fraction form
    2,090,691.87/2,884,805.06 = 1,231,423.22/x
  3. Step 3: Cross multiply
    2,090,691.87x = 2,884,805.06 × 1,231,423.22
  4. Step 4: Simplify right side
    2,090,691.87x = 3,552,415,915,476.35
  5. Step 5: Solve for x
    x = 3,552,415,915,476.35/2,090,691.87
  6. Step 6: Final answer
    x = 1,699,158.05

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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.