Home / 2,719,138.22-4,078,700.03-1,013,242.68

Finding the Fourth Proportional to 2,719,138.22, 4,078,700.03 and 1,013,242.68

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Solution

The fourth proportional to 2,719,138.22, 4,078,700.03 and 1,013,242.68 is: 1,519,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,138.22 : 4,078,700.03 = 1,013,242.68 : x
  2. Step 2: Convert to fraction form
    2,719,138.22/4,078,700.03 = 1,013,242.68/x
  3. Step 3: Cross multiply
    2,719,138.22x = 4,078,700.03 × 1,013,242.68
  4. Step 4: Simplify right side
    2,719,138.22x = 4,132,712,928,919.78
  5. Step 5: Solve for x
    x = 4,132,712,928,919.78/2,719,138.22
  6. Step 6: Final answer
    x = 1,519,861.30

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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.