Home / 3,531,491.20-5,297,236.80-872,099.20

Finding the Fourth Proportional to 3,531,491.20, 5,297,236.80 and 872,099.20

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Solution

The fourth proportional to 3,531,491.20, 5,297,236.80 and 872,099.20 is: 1,308,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,491.20 : 5,297,236.80 = 872,099.20 : x
  2. Step 2: Convert to fraction form
    3,531,491.20/5,297,236.80 = 872,099.20/x
  3. Step 3: Cross multiply
    3,531,491.20x = 5,297,236.80 × 872,099.20
  4. Step 4: Simplify right side
    3,531,491.20x = 4,619,715,975,490.56
  5. Step 5: Solve for x
    x = 4,619,715,975,490.56/3,531,491.20
  6. Step 6: Final answer
    x = 1,308,148.80

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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.