Home / 2,811,338.40-4,217,007.60-1,394,162.40

Finding the Fourth Proportional to 2,811,338.40, 4,217,007.60 and 1,394,162.40

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Solution

The fourth proportional to 2,811,338.40, 4,217,007.60 and 1,394,162.40 is: 2,091,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,338.40 : 4,217,007.60 = 1,394,162.40 : x
  2. Step 2: Convert to fraction form
    2,811,338.40/4,217,007.60 = 1,394,162.40/x
  3. Step 3: Cross multiply
    2,811,338.40x = 4,217,007.60 × 1,394,162.40
  4. Step 4: Simplify right side
    2,811,338.40x = 5,879,193,436,434.24
  5. Step 5: Solve for x
    x = 5,879,193,436,434.24/2,811,338.40
  6. Step 6: Final answer
    x = 2,091,243.60

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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.