Home / 3,102,238.70-4,653,461.74-858,188.78

Finding the Fourth Proportional to 3,102,238.70, 4,653,461.74 and 858,188.78

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Solution

The fourth proportional to 3,102,238.70, 4,653,461.74 and 858,188.78 is: 1,287,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,238.70 : 4,653,461.74 = 858,188.78 : x
  2. Step 2: Convert to fraction form
    3,102,238.70/4,653,461.74 = 858,188.78/x
  3. Step 3: Cross multiply
    3,102,238.70x = 4,653,461.74 × 858,188.78
  4. Step 4: Simplify right side
    3,102,238.70x = 3,993,548,653,427.28
  5. Step 5: Solve for x
    x = 3,993,548,653,427.28/3,102,238.70
  6. Step 6: Final answer
    x = 1,287,311.85

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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.