Home / 3,137,223.45-4,707,163.78-1,715,618.78

Finding the Fourth Proportional to 3,137,223.45, 4,707,163.78 and 1,715,618.78

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Solution

The fourth proportional to 3,137,223.45, 4,707,163.78 and 1,715,618.78 is: 2,574,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137,223.45 : 4,707,163.78 = 1,715,618.78 : x
  2. Step 2: Convert to fraction form
    3,137,223.45/4,707,163.78 = 1,715,618.78/x
  3. Step 3: Cross multiply
    3,137,223.45x = 4,707,163.78 × 1,715,618.78
  4. Step 4: Simplify right side
    3,137,223.45x = 8,075,698,580,981.14
  5. Step 5: Solve for x
    x = 8,075,698,580,981.14/3,137,223.45
  6. Step 6: Final answer
    x = 2,574,154.73

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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.