Home / 2,891,546.80-3,990,356.80-1,602,408

Finding the Fourth Proportional to 2,891,546.80, 3,990,356.80 and 1,602,408

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Solution

The fourth proportional to 2,891,546.80, 3,990,356.80 and 1,602,408 is: 2,211,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,546.80 : 3,990,356.80 = 1,602,408 : x
  2. Step 2: Convert to fraction form
    2,891,546.80/3,990,356.80 = 1,602,408/x
  3. Step 3: Cross multiply
    2,891,546.80x = 3,990,356.80 × 1,602,408
  4. Step 4: Simplify right side
    2,891,546.80x = 6,394,179,659,174.40
  5. Step 5: Solve for x
    x = 6,394,179,659,174.40/2,891,546.80
  6. Step 6: Final answer
    x = 2,211,335.35

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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.