Home / 3,110,979.80-4,666,469.70-981,716.60

Finding the Fourth Proportional to 3,110,979.80, 4,666,469.70 and 981,716.60

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Solution

The fourth proportional to 3,110,979.80, 4,666,469.70 and 981,716.60 is: 1,472,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,979.80 : 4,666,469.70 = 981,716.60 : x
  2. Step 2: Convert to fraction form
    3,110,979.80/4,666,469.70 = 981,716.60/x
  3. Step 3: Cross multiply
    3,110,979.80x = 4,666,469.70 × 981,716.60
  4. Step 4: Simplify right side
    3,110,979.80x = 4,581,150,767,887.02
  5. Step 5: Solve for x
    x = 4,581,150,767,887.02/3,110,979.80
  6. Step 6: Final answer
    x = 1,472,574.90

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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.