Home / 2,147,471.10-3,214,197.27-1,578,701.64

Finding the Fourth Proportional to 2,147,471.10, 3,214,197.27 and 1,578,701.64

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Solution

The fourth proportional to 2,147,471.10, 3,214,197.27 and 1,578,701.64 is: 2,362,899.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,471.10 : 3,214,197.27 = 1,578,701.64 : x
  2. Step 2: Convert to fraction form
    2,147,471.10/3,214,197.27 = 1,578,701.64/x
  3. Step 3: Cross multiply
    2,147,471.10x = 3,214,197.27 × 1,578,701.64
  4. Step 4: Simplify right side
    2,147,471.10x = 5,074,258,501,432.52
  5. Step 5: Solve for x
    x = 5,074,258,501,432.52/2,147,471.10
  6. Step 6: Final answer
    x = 2,362,899.55

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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.