Home / 2,230,711.44-3,078,375.72-1,212,116.16

Finding the Fourth Proportional to 2,230,711.44, 3,078,375.72 and 1,212,116.16

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Solution

The fourth proportional to 2,230,711.44, 3,078,375.72 and 1,212,116.16 is: 1,672,717.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,711.44 : 3,078,375.72 = 1,212,116.16 : x
  2. Step 2: Convert to fraction form
    2,230,711.44/3,078,375.72 = 1,212,116.16/x
  3. Step 3: Cross multiply
    2,230,711.44x = 3,078,375.72 × 1,212,116.16
  4. Step 4: Simplify right side
    2,230,711.44x = 3,731,348,956,763.64
  5. Step 5: Solve for x
    x = 3,731,348,956,763.64/2,230,711.44
  6. Step 6: Final answer
    x = 1,672,717.00

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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.