Home / 5,115,704.62-7,057,995.78-3,645,844.70

Finding the Fourth Proportional to 5,115,704.62, 7,057,995.78 and 3,645,844.70

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Solution

The fourth proportional to 5,115,704.62, 7,057,995.78 and 3,645,844.70 is: 5,030,070.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,704.62 : 7,057,995.78 = 3,645,844.70 : x
  2. Step 2: Convert to fraction form
    5,115,704.62/7,057,995.78 = 3,645,844.70/x
  3. Step 3: Cross multiply
    5,115,704.62x = 7,057,995.78 × 3,645,844.70
  4. Step 4: Simplify right side
    5,115,704.62x = 25,732,356,507,135.37
  5. Step 5: Solve for x
    x = 25,732,356,507,135.37/5,115,704.62
  6. Step 6: Final answer
    x = 5,030,070.81

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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.