Home / 3,903,720.26-5,387,302.33-2,161,389.65

Finding the Fourth Proportional to 3,903,720.26, 5,387,302.33 and 2,161,389.65

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Solution

The fourth proportional to 3,903,720.26, 5,387,302.33 and 2,161,389.65 is: 2,982,810.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903,720.26 : 5,387,302.33 = 2,161,389.65 : x
  2. Step 2: Convert to fraction form
    3,903,720.26/5,387,302.33 = 2,161,389.65/x
  3. Step 3: Cross multiply
    3,903,720.26x = 5,387,302.33 × 2,161,389.65
  4. Step 4: Simplify right side
    3,903,720.26x = 11,644,059,465,142.90
  5. Step 5: Solve for x
    x = 11,644,059,465,142.90/3,903,720.26
  6. Step 6: Final answer
    x = 2,982,810.94

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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.