Home / 3,876,669.26-5,349,803.82-2,157,752.90

Finding the Fourth Proportional to 3,876,669.26, 5,349,803.82 and 2,157,752.90

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Solution

The fourth proportional to 3,876,669.26, 5,349,803.82 and 2,157,752.90 is: 2,977,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,669.26 : 5,349,803.82 = 2,157,752.90 : x
  2. Step 2: Convert to fraction form
    3,876,669.26/5,349,803.82 = 2,157,752.90/x
  3. Step 3: Cross multiply
    3,876,669.26x = 5,349,803.82 × 2,157,752.90
  4. Step 4: Simplify right side
    3,876,669.26x = 11,543,554,707,036.08
  5. Step 5: Solve for x
    x = 11,543,554,707,036.08/3,876,669.26
  6. Step 6: Final answer
    x = 2,977,699.14

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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.