Home / 3,771,422.78-5,205,111.91-2,117,755.53

Finding the Fourth Proportional to 3,771,422.78, 5,205,111.91 and 2,117,755.53

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Solution

The fourth proportional to 3,771,422.78, 5,205,111.91 and 2,117,755.53 is: 2,922,810.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771,422.78 : 5,205,111.91 = 2,117,755.53 : x
  2. Step 2: Convert to fraction form
    3,771,422.78/5,205,111.91 = 2,117,755.53/x
  3. Step 3: Cross multiply
    3,771,422.78x = 5,205,111.91 × 2,117,755.53
  4. Step 4: Simplify right side
    3,771,422.78x = 11,023,154,526,376.97
  5. Step 5: Solve for x
    x = 11,023,154,526,376.97/3,771,422.78
  6. Step 6: Final answer
    x = 2,922,810.62

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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.