Home / 2,195,298-3,029,435.10-1,215,279.60

Finding the Fourth Proportional to 2,195,298, 3,029,435.10 and 1,215,279.60

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Solution

The fourth proportional to 2,195,298, 3,029,435.10 and 1,215,279.60 is: 1,677,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,298 : 3,029,435.10 = 1,215,279.60 : x
  2. Step 2: Convert to fraction form
    2,195,298/3,029,435.10 = 1,215,279.60/x
  3. Step 3: Cross multiply
    2,195,298x = 3,029,435.10 × 1,215,279.60
  4. Step 4: Simplify right side
    2,195,298x = 3,681,610,676,553.96
  5. Step 5: Solve for x
    x = 3,681,610,676,553.96/2,195,298
  6. Step 6: Final answer
    x = 1,677,043.70

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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.