Home / 3,617,915.67-4,992,864.03-1,986,391.80

Finding the Fourth Proportional to 3,617,915.67, 4,992,864.03 and 1,986,391.80

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Solution

The fourth proportional to 3,617,915.67, 4,992,864.03 and 1,986,391.80 is: 2,741,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617,915.67 : 4,992,864.03 = 1,986,391.80 : x
  2. Step 2: Convert to fraction form
    3,617,915.67/4,992,864.03 = 1,986,391.80/x
  3. Step 3: Cross multiply
    3,617,915.67x = 4,992,864.03 × 1,986,391.80
  4. Step 4: Simplify right side
    3,617,915.67x = 9,917,784,167,706.96
  5. Step 5: Solve for x
    x = 9,917,784,167,706.96/3,617,915.67
  6. Step 6: Final answer
    x = 2,741,297.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.