Home / 3,286,881.16-4,930,321.80-890,725.72

Finding the Fourth Proportional to 3,286,881.16, 4,930,321.80 and 890,725.72

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Solution

The fourth proportional to 3,286,881.16, 4,930,321.80 and 890,725.72 is: 1,336,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,881.16 : 4,930,321.80 = 890,725.72 : x
  2. Step 2: Convert to fraction form
    3,286,881.16/4,930,321.80 = 890,725.72/x
  3. Step 3: Cross multiply
    3,286,881.16x = 4,930,321.80 × 890,725.72
  4. Step 4: Simplify right side
    3,286,881.16x = 4,391,564,435,136.70
  5. Step 5: Solve for x
    x = 4,391,564,435,136.70/3,286,881.16
  6. Step 6: Final answer
    x = 1,336,088.60

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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.