Home / 2,145,328.20-3,217,992.30-1,134,059.40

Finding the Fourth Proportional to 2,145,328.20, 3,217,992.30 and 1,134,059.40

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Solution

The fourth proportional to 2,145,328.20, 3,217,992.30 and 1,134,059.40 is: 1,701,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,328.20 : 3,217,992.30 = 1,134,059.40 : x
  2. Step 2: Convert to fraction form
    2,145,328.20/3,217,992.30 = 1,134,059.40/x
  3. Step 3: Cross multiply
    2,145,328.20x = 3,217,992.30 × 1,134,059.40
  4. Step 4: Simplify right side
    2,145,328.20x = 3,649,394,416,942.62
  5. Step 5: Solve for x
    x = 3,649,394,416,942.62/2,145,328.20
  6. Step 6: Final answer
    x = 1,701,089.10

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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.