Home / 3,851,085.72-5,314,579.38-2,108,828.28

Finding the Fourth Proportional to 3,851,085.72, 5,314,579.38 and 2,108,828.28

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Solution

The fourth proportional to 3,851,085.72, 5,314,579.38 and 2,108,828.28 is: 2,910,227.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,085.72 : 5,314,579.38 = 2,108,828.28 : x
  2. Step 2: Convert to fraction form
    3,851,085.72/5,314,579.38 = 2,108,828.28/x
  3. Step 3: Cross multiply
    3,851,085.72x = 5,314,579.38 × 2,108,828.28
  4. Step 4: Simplify right side
    3,851,085.72x = 11,207,535,292,848.87
  5. Step 5: Solve for x
    x = 11,207,535,292,848.87/3,851,085.72
  6. Step 6: Final answer
    x = 2,910,227.43

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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.