Home / 2,431,438.91-3,649,626.23-1,217,885.16

Finding the Fourth Proportional to 2,431,438.91, 3,649,626.23 and 1,217,885.16

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Solution

The fourth proportional to 2,431,438.91, 3,649,626.23 and 1,217,885.16 is: 1,828,063.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431,438.91 : 3,649,626.23 = 1,217,885.16 : x
  2. Step 2: Convert to fraction form
    2,431,438.91/3,649,626.23 = 1,217,885.16/x
  3. Step 3: Cross multiply
    2,431,438.91x = 3,649,626.23 × 1,217,885.16
  4. Step 4: Simplify right side
    2,431,438.91x = 4,444,825,618,974.32
  5. Step 5: Solve for x
    x = 4,444,825,618,974.32/2,431,438.91
  6. Step 6: Final answer
    x = 1,828,063.87

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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.