Home / 5,355,632.40-7,388,039.88-3,419,857.68

Finding the Fourth Proportional to 5,355,632.40, 7,388,039.88 and 3,419,857.68

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Solution

The fourth proportional to 5,355,632.40, 7,388,039.88 and 3,419,857.68 is: 4,717,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355,632.40 : 7,388,039.88 = 3,419,857.68 : x
  2. Step 2: Convert to fraction form
    5,355,632.40/7,388,039.88 = 3,419,857.68/x
  3. Step 3: Cross multiply
    5,355,632.40x = 7,388,039.88 × 3,419,857.68
  4. Step 4: Simplify right side
    5,355,632.40x = 25,266,044,923,764.28
  5. Step 5: Solve for x
    x = 25,266,044,923,764.28/5,355,632.40
  6. Step 6: Final answer
    x = 4,717,658.54

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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.