Home / 2,145,244.34-3,217,816.83-1,080,000.38

Finding the Fourth Proportional to 2,145,244.34, 3,217,816.83 and 1,080,000.38

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Solution

The fourth proportional to 2,145,244.34, 3,217,816.83 and 1,080,000.38 is: 1,619,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,244.34 : 3,217,816.83 = 1,080,000.38 : x
  2. Step 2: Convert to fraction form
    2,145,244.34/3,217,816.83 = 1,080,000.38/x
  3. Step 3: Cross multiply
    2,145,244.34x = 3,217,816.83 × 1,080,000.38
  4. Step 4: Simplify right side
    2,145,244.34x = 3,475,243,399,170.40
  5. Step 5: Solve for x
    x = 3,475,243,399,170.40/2,145,244.34
  6. Step 6: Final answer
    x = 1,619,975.56

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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.