Home / 1,974,704.38-2,963,128.20-838,105.90

Finding the Fourth Proportional to 1,974,704.38, 2,963,128.20 and 838,105.90

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Solution

The fourth proportional to 1,974,704.38, 2,963,128.20 and 838,105.90 is: 1,257,613.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,704.38 : 2,963,128.20 = 838,105.90 : x
  2. Step 2: Convert to fraction form
    1,974,704.38/2,963,128.20 = 838,105.90/x
  3. Step 3: Cross multiply
    1,974,704.38x = 2,963,128.20 × 838,105.90
  4. Step 4: Simplify right side
    1,974,704.38x = 2,483,415,226,876.38
  5. Step 5: Solve for x
    x = 2,483,415,226,876.38/1,974,704.38
  6. Step 6: Final answer
    x = 1,257,613.67

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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.