Home / 3,891,959.82-5,371,236.54-2,173,412.34

Finding the Fourth Proportional to 3,891,959.82, 5,371,236.54 and 2,173,412.34

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Solution

The fourth proportional to 3,891,959.82, 5,371,236.54 and 2,173,412.34 is: 2,999,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,959.82 : 5,371,236.54 = 2,173,412.34 : x
  2. Step 2: Convert to fraction form
    3,891,959.82/5,371,236.54 = 2,173,412.34/x
  3. Step 3: Cross multiply
    3,891,959.82x = 5,371,236.54 × 2,173,412.34
  4. Step 4: Simplify right side
    3,891,959.82x = 11,673,911,777,094.90
  5. Step 5: Solve for x
    x = 11,673,911,777,094.90/3,891,959.82
  6. Step 6: Final answer
    x = 2,999,494.42

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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.