Home / 3,157,190.56-4,734,997.68-1,238,491.72

Finding the Fourth Proportional to 3,157,190.56, 4,734,997.68 and 1,238,491.72

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Solution

The fourth proportional to 3,157,190.56, 4,734,997.68 and 1,238,491.72 is: 1,857,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,190.56 : 4,734,997.68 = 1,238,491.72 : x
  2. Step 2: Convert to fraction form
    3,157,190.56/4,734,997.68 = 1,238,491.72/x
  3. Step 3: Cross multiply
    3,157,190.56x = 4,734,997.68 × 1,238,491.72
  4. Step 4: Simplify right side
    3,157,190.56x = 5,864,255,420,899.21
  5. Step 5: Solve for x
    x = 5,864,255,420,899.21/3,157,190.56
  6. Step 6: Final answer
    x = 1,857,428.40

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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.