Home / 3,100,185.47-4,650,383.12-1,078,446.85

Finding the Fourth Proportional to 3,100,185.47, 4,650,383.12 and 1,078,446.85

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Solution

The fourth proportional to 3,100,185.47, 4,650,383.12 and 1,078,446.85 is: 1,617,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,185.47 : 4,650,383.12 = 1,078,446.85 : x
  2. Step 2: Convert to fraction form
    3,100,185.47/4,650,383.12 = 1,078,446.85/x
  3. Step 3: Cross multiply
    3,100,185.47x = 4,650,383.12 × 1,078,446.85
  4. Step 4: Simplify right side
    3,100,185.47x = 5,015,191,010,038.98
  5. Step 5: Solve for x
    x = 5,015,191,010,038.98/3,100,185.47
  6. Step 6: Final answer
    x = 1,617,706.76

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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.