Home / 3,210,168.31-4,815,421.79-814,033.67

Finding the Fourth Proportional to 3,210,168.31, 4,815,421.79 and 814,033.67

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Solution

The fourth proportional to 3,210,168.31, 4,815,421.79 and 814,033.67 is: 1,221,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,168.31 : 4,815,421.79 = 814,033.67 : x
  2. Step 2: Convert to fraction form
    3,210,168.31/4,815,421.79 = 814,033.67/x
  3. Step 3: Cross multiply
    3,210,168.31x = 4,815,421.79 × 814,033.67
  4. Step 4: Simplify right side
    3,210,168.31x = 3,919,915,444,164.39
  5. Step 5: Solve for x
    x = 3,919,915,444,164.39/3,210,168.31
  6. Step 6: Final answer
    x = 1,221,093.43

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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.