Home / 2,147,471.22-3,214,197.46-1,578,701.76

Finding the Fourth Proportional to 2,147,471.22, 3,214,197.46 and 1,578,701.76

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Solution

The fourth proportional to 2,147,471.22, 3,214,197.46 and 1,578,701.76 is: 2,362,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,471.22 : 3,214,197.46 = 1,578,701.76 : x
  2. Step 2: Convert to fraction form
    2,147,471.22/3,214,197.46 = 1,578,701.76/x
  3. Step 3: Cross multiply
    2,147,471.22x = 3,214,197.46 × 1,578,701.76
  4. Step 4: Simplify right side
    2,147,471.22x = 5,074,259,187,089.53
  5. Step 5: Solve for x
    x = 5,074,259,187,089.53/2,147,471.22
  6. Step 6: Final answer
    x = 2,362,899.74

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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.