Home / 2,045,409.15-3,067,445.97-678,815.76

Finding the Fourth Proportional to 2,045,409.15, 3,067,445.97 and 678,815.76

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Solution

The fourth proportional to 2,045,409.15, 3,067,445.97 and 678,815.76 is: 1,018,002.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045,409.15 : 3,067,445.97 = 678,815.76 : x
  2. Step 2: Convert to fraction form
    2,045,409.15/3,067,445.97 = 678,815.76/x
  3. Step 3: Cross multiply
    2,045,409.15x = 3,067,445.97 × 678,815.76
  4. Step 4: Simplify right side
    2,045,409.15x = 2,082,230,667,384.49
  5. Step 5: Solve for x
    x = 2,082,230,667,384.49/2,045,409.15
  6. Step 6: Final answer
    x = 1,018,002.03

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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.