Home / 3,143,609.07-4,717,243.40-1,321,842.33

Finding the Fourth Proportional to 3,143,609.07, 4,717,243.40 and 1,321,842.33

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Solution

The fourth proportional to 3,143,609.07, 4,717,243.40 and 1,321,842.33 is: 1,983,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,609.07 : 4,717,243.40 = 1,321,842.33 : x
  2. Step 2: Convert to fraction form
    3,143,609.07/4,717,243.40 = 1,321,842.33/x
  3. Step 3: Cross multiply
    3,143,609.07x = 4,717,243.40 × 1,321,842.33
  4. Step 4: Simplify right side
    3,143,609.07x = 6,235,452,000,423.91
  5. Step 5: Solve for x
    x = 6,235,452,000,423.91/3,143,609.07
  6. Step 6: Final answer
    x = 1,983,532.90

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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.