Home / 2,123,157.14-2,930,039.79-1,205,471.66

Finding the Fourth Proportional to 2,123,157.14, 2,930,039.79 and 1,205,471.66

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Solution

The fourth proportional to 2,123,157.14, 2,930,039.79 and 1,205,471.66 is: 1,663,597.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,157.14 : 2,930,039.79 = 1,205,471.66 : x
  2. Step 2: Convert to fraction form
    2,123,157.14/2,930,039.79 = 1,205,471.66/x
  3. Step 3: Cross multiply
    2,123,157.14x = 2,930,039.79 × 1,205,471.66
  4. Step 4: Simplify right side
    2,123,157.14x = 3,532,079,929,517.35
  5. Step 5: Solve for x
    x = 3,532,079,929,517.35/2,123,157.14
  6. Step 6: Final answer
    x = 1,663,597.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.