Home / 2,672,489.86-3,689,466.96-2,090,476.43

Finding the Fourth Proportional to 2,672,489.86, 3,689,466.96 and 2,090,476.43

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Solution

The fourth proportional to 2,672,489.86, 3,689,466.96 and 2,090,476.43 is: 2,885,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,489.86 : 3,689,466.96 = 2,090,476.43 : x
  2. Step 2: Convert to fraction form
    2,672,489.86/3,689,466.96 = 2,090,476.43/x
  3. Step 3: Cross multiply
    2,672,489.86x = 3,689,466.96 × 2,090,476.43
  4. Step 4: Simplify right side
    2,672,489.86x = 7,712,743,719,143.75
  5. Step 5: Solve for x
    x = 7,712,743,719,143.75/2,672,489.86
  6. Step 6: Final answer
    x = 2,885,976.79

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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.