Home / 2,715,138.60-4,072,704.31-693,383.95

Finding the Fourth Proportional to 2,715,138.60, 4,072,704.31 and 693,383.95

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Solution

The fourth proportional to 2,715,138.60, 4,072,704.31 and 693,383.95 is: 1,040,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715,138.60 : 4,072,704.31 = 693,383.95 : x
  2. Step 2: Convert to fraction form
    2,715,138.60/4,072,704.31 = 693,383.95/x
  3. Step 3: Cross multiply
    2,715,138.60x = 4,072,704.31 × 693,383.95
  4. Step 4: Simplify right side
    2,715,138.60x = 2,823,947,801,649.82
  5. Step 5: Solve for x
    x = 2,823,947,801,649.82/2,715,138.60
  6. Step 6: Final answer
    x = 1,040,075.01

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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.