Home / 2,119,425.62-3,178,693.13-699,148.94

Finding the Fourth Proportional to 2,119,425.62, 3,178,693.13 and 699,148.94

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Solution

The fourth proportional to 2,119,425.62, 3,178,693.13 and 699,148.94 is: 1,048,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,425.62 : 3,178,693.13 = 699,148.94 : x
  2. Step 2: Convert to fraction form
    2,119,425.62/3,178,693.13 = 699,148.94/x
  3. Step 3: Cross multiply
    2,119,425.62x = 3,178,693.13 × 699,148.94
  4. Step 4: Simplify right side
    2,119,425.62x = 2,222,379,913,035.57
  5. Step 5: Solve for x
    x = 2,222,379,913,035.57/2,119,425.62
  6. Step 6: Final answer
    x = 1,048,576.51

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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.