Home / 3,286,877.16-4,930,315.80-890,721.72

Finding the Fourth Proportional to 3,286,877.16, 4,930,315.80 and 890,721.72

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Solution

The fourth proportional to 3,286,877.16, 4,930,315.80 and 890,721.72 is: 1,336,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,877.16 : 4,930,315.80 = 890,721.72 : x
  2. Step 2: Convert to fraction form
    3,286,877.16/4,930,315.80 = 890,721.72/x
  3. Step 3: Cross multiply
    3,286,877.16x = 4,930,315.80 × 890,721.72
  4. Step 4: Simplify right side
    3,286,877.16x = 4,391,539,369,519.18
  5. Step 5: Solve for x
    x = 4,391,539,369,519.18/3,286,877.16
  6. Step 6: Final answer
    x = 1,336,082.60

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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.