Home / 3,119,177.80-4,679,213.02-960,385.56

Finding the Fourth Proportional to 3,119,177.80, 4,679,213.02 and 960,385.56

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Solution

The fourth proportional to 3,119,177.80, 4,679,213.02 and 960,385.56 is: 1,440,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,177.80 : 4,679,213.02 = 960,385.56 : x
  2. Step 2: Convert to fraction form
    3,119,177.80/4,679,213.02 = 960,385.56/x
  3. Step 3: Cross multiply
    3,119,177.80x = 4,679,213.02 × 960,385.56
  4. Step 4: Simplify right side
    3,119,177.80x = 4,493,848,616,571.99
  5. Step 5: Solve for x
    x = 4,493,848,616,571.99/3,119,177.80
  6. Step 6: Final answer
    x = 1,440,715.76

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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.