Home / 3,015,247.29-4,161,081.79-1,638,618.27

Finding the Fourth Proportional to 3,015,247.29, 4,161,081.79 and 1,638,618.27

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Solution

The fourth proportional to 3,015,247.29, 4,161,081.79 and 1,638,618.27 is: 2,261,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,247.29 : 4,161,081.79 = 1,638,618.27 : x
  2. Step 2: Convert to fraction form
    3,015,247.29/4,161,081.79 = 1,638,618.27/x
  3. Step 3: Cross multiply
    3,015,247.29x = 4,161,081.79 × 1,638,618.27
  4. Step 4: Simplify right side
    3,015,247.29x = 6,818,424,644,058.30
  5. Step 5: Solve for x
    x = 6,818,424,644,058.30/3,015,247.29
  6. Step 6: Final answer
    x = 2,261,315.24

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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.