Home / 5,107,336.08-7,048,171.34-2,815,578.78

Finding the Fourth Proportional to 5,107,336.08, 7,048,171.34 and 2,815,578.78

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Solution

The fourth proportional to 5,107,336.08, 7,048,171.34 and 2,815,578.78 is: 3,885,524.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,336.08 : 7,048,171.34 = 2,815,578.78 : x
  2. Step 2: Convert to fraction form
    5,107,336.08/7,048,171.34 = 2,815,578.78/x
  3. Step 3: Cross multiply
    5,107,336.08x = 7,048,171.34 × 2,815,578.78
  4. Step 4: Simplify right side
    5,107,336.08x = 19,844,681,664,485.20
  5. Step 5: Solve for x
    x = 19,844,681,664,485.20/5,107,336.08
  6. Step 6: Final answer
    x = 3,885,524.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.