Home / 2,123,861.01-3,186,252.83-776,021.45

Finding the Fourth Proportional to 2,123,861.01, 3,186,252.83 and 776,021.45

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Solution

The fourth proportional to 2,123,861.01, 3,186,252.83 and 776,021.45 is: 1,164,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,861.01 : 3,186,252.83 = 776,021.45 : x
  2. Step 2: Convert to fraction form
    2,123,861.01/3,186,252.83 = 776,021.45/x
  3. Step 3: Cross multiply
    2,123,861.01x = 3,186,252.83 × 776,021.45
  4. Step 4: Simplify right side
    2,123,861.01x = 2,472,600,538,471.44
  5. Step 5: Solve for x
    x = 2,472,600,538,471.44/2,123,861.01
  6. Step 6: Final answer
    x = 1,164,200.73

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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.