Home / 3,845,886.86-5,307,232.92-2,126,971.28

Finding the Fourth Proportional to 3,845,886.86, 5,307,232.92 and 2,126,971.28

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Solution

The fourth proportional to 3,845,886.86, 5,307,232.92 and 2,126,971.28 is: 2,935,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845,886.86 : 5,307,232.92 = 2,126,971.28 : x
  2. Step 2: Convert to fraction form
    3,845,886.86/5,307,232.92 = 2,126,971.28/x
  3. Step 3: Cross multiply
    3,845,886.86x = 5,307,232.92 × 2,126,971.28
  4. Step 4: Simplify right side
    3,845,886.86x = 11,288,331,997,110.54
  5. Step 5: Solve for x
    x = 11,288,331,997,110.54/3,845,886.86
  6. Step 6: Final answer
    x = 2,935,170.07

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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.