Home / 1,988,712.93-2,744,335.32-1,161,863.13

Finding the Fourth Proportional to 1,988,712.93, 2,744,335.32 and 1,161,863.13

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Solution

The fourth proportional to 1,988,712.93, 2,744,335.32 and 1,161,863.13 is: 1,603,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,712.93 : 2,744,335.32 = 1,161,863.13 : x
  2. Step 2: Convert to fraction form
    1,988,712.93/2,744,335.32 = 1,161,863.13/x
  3. Step 3: Cross multiply
    1,988,712.93x = 2,744,335.32 × 1,161,863.13
  4. Step 4: Simplify right side
    1,988,712.93x = 3,188,542,024,664.75
  5. Step 5: Solve for x
    x = 3,188,542,024,664.75/1,988,712.93
  6. Step 6: Final answer
    x = 1,603,319.40

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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.