Home / 5,816,968.20-8,726,491.71-1,978,594.47

Finding the Fourth Proportional to 5,816,968.20, 8,726,491.71 and 1,978,594.47

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Solution

The fourth proportional to 5,816,968.20, 8,726,491.71 and 1,978,594.47 is: 2,968,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816,968.20 : 8,726,491.71 = 1,978,594.47 : x
  2. Step 2: Convert to fraction form
    5,816,968.20/8,726,491.71 = 1,978,594.47/x
  3. Step 3: Cross multiply
    5,816,968.20x = 8,726,491.71 × 1,978,594.47
  4. Step 4: Simplify right side
    5,816,968.20x = 17,266,188,239,906.85
  5. Step 5: Solve for x
    x = 17,266,188,239,906.85/5,816,968.20
  6. Step 6: Final answer
    x = 2,968,245.25

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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.