Home / 2,592,990.21-3,578,524.78-1,431,660.41

Finding the Fourth Proportional to 2,592,990.21, 3,578,524.78 and 1,431,660.41

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Solution

The fourth proportional to 2,592,990.21, 3,578,524.78 and 1,431,660.41 is: 1,975,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592,990.21 : 3,578,524.78 = 1,431,660.41 : x
  2. Step 2: Convert to fraction form
    2,592,990.21/3,578,524.78 = 1,431,660.41/x
  3. Step 3: Cross multiply
    2,592,990.21x = 3,578,524.78 × 1,431,660.41
  4. Step 4: Simplify right side
    2,592,990.21x = 5,123,232,253,729.96
  5. Step 5: Solve for x
    x = 5,123,232,253,729.96/2,592,990.21
  6. Step 6: Final answer
    x = 1,975,800.85

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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.