Home / 2,078,005.10-3,111,758.85-1,364,168.30

Finding the Fourth Proportional to 2,078,005.10, 3,111,758.85 and 1,364,168.30

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Solution

The fourth proportional to 2,078,005.10, 3,111,758.85 and 1,364,168.30 is: 2,042,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,005.10 : 3,111,758.85 = 1,364,168.30 : x
  2. Step 2: Convert to fraction form
    2,078,005.10/3,111,758.85 = 1,364,168.30/x
  3. Step 3: Cross multiply
    2,078,005.10x = 3,111,758.85 × 1,364,168.30
  4. Step 4: Simplify right side
    2,078,005.10x = 4,244,962,780,414.46
  5. Step 5: Solve for x
    x = 4,244,962,780,414.46/2,078,005.10
  6. Step 6: Final answer
    x = 2,042,806.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.