Home / 3,286,871.81-4,930,307.81-890,716.35

Finding the Fourth Proportional to 3,286,871.81, 4,930,307.81 and 890,716.35

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Solution

The fourth proportional to 3,286,871.81, 4,930,307.81 and 890,716.35 is: 1,336,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,871.81 : 4,930,307.81 = 890,716.35 : x
  2. Step 2: Convert to fraction form
    3,286,871.81/4,930,307.81 = 890,716.35/x
  3. Step 3: Cross multiply
    3,286,871.81x = 4,930,307.81 × 890,716.35
  4. Step 4: Simplify right side
    3,286,871.81x = 4,391,505,772,446.11
  5. Step 5: Solve for x
    x = 4,391,505,772,446.11/3,286,871.81
  6. Step 6: Final answer
    x = 1,336,074.55

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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.