Home / 3,266,118.70-4,899,368.73-991,717.30

Finding the Fourth Proportional to 3,266,118.70, 4,899,368.73 and 991,717.30

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Solution

The fourth proportional to 3,266,118.70, 4,899,368.73 and 991,717.30 is: 1,487,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266,118.70 : 4,899,368.73 = 991,717.30 : x
  2. Step 2: Convert to fraction form
    3,266,118.70/4,899,368.73 = 991,717.30/x
  3. Step 3: Cross multiply
    3,266,118.70x = 4,899,368.73 × 991,717.30
  4. Step 4: Simplify right side
    3,266,118.70x = 4,858,788,728,620.03
  5. Step 5: Solve for x
    x = 4,858,788,728,620.03/3,266,118.70
  6. Step 6: Final answer
    x = 1,487,633.85

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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.