Home / 2,195,297-3,029,433.72-1,215,278.60

Finding the Fourth Proportional to 2,195,297, 3,029,433.72 and 1,215,278.60

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Solution

The fourth proportional to 2,195,297, 3,029,433.72 and 1,215,278.60 is: 1,677,042.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,297 : 3,029,433.72 = 1,215,278.60 : x
  2. Step 2: Convert to fraction form
    2,195,297/3,029,433.72 = 1,215,278.60/x
  3. Step 3: Cross multiply
    2,195,297x = 3,029,433.72 × 1,215,278.60
  4. Step 4: Simplify right side
    2,195,297x = 3,681,605,970,034.39
  5. Step 5: Solve for x
    x = 3,681,605,970,034.39/2,195,297
  6. Step 6: Final answer
    x = 1,677,042.32

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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.