Home / 1,988,755.53-2,743,310.39-1,407,324.57

Finding the Fourth Proportional to 1,988,755.53, 2,743,310.39 and 1,407,324.57

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Solution

The fourth proportional to 1,988,755.53, 2,743,310.39 and 1,407,324.57 is: 1,941,278.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,755.53 : 2,743,310.39 = 1,407,324.57 : x
  2. Step 2: Convert to fraction form
    1,988,755.53/2,743,310.39 = 1,407,324.57/x
  3. Step 3: Cross multiply
    1,988,755.53x = 2,743,310.39 × 1,407,324.57
  4. Step 4: Simplify right side
    1,988,755.53x = 3,860,728,114,983.28
  5. Step 5: Solve for x
    x = 3,860,728,114,983.28/1,988,755.53
  6. Step 6: Final answer
    x = 1,941,278.38

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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.