Home / 2,123,861.26-3,186,253.21-776,021.70

Finding the Fourth Proportional to 2,123,861.26, 3,186,253.21 and 776,021.70

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Solution

The fourth proportional to 2,123,861.26, 3,186,253.21 and 776,021.70 is: 1,164,201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,861.26 : 3,186,253.21 = 776,021.70 : x
  2. Step 2: Convert to fraction form
    2,123,861.26/3,186,253.21 = 776,021.70/x
  3. Step 3: Cross multiply
    2,123,861.26x = 3,186,253.21 × 776,021.70
  4. Step 4: Simplify right side
    2,123,861.26x = 2,472,601,628,774.55
  5. Step 5: Solve for x
    x = 2,472,601,628,774.55/2,123,861.26
  6. Step 6: Final answer
    x = 1,164,201.11

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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.