Home / 3,286,771.49-4,930,157.48-890,616.20

Finding the Fourth Proportional to 3,286,771.49, 4,930,157.48 and 890,616.20

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Solution

The fourth proportional to 3,286,771.49, 4,930,157.48 and 890,616.20 is: 1,335,924.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,771.49 : 4,930,157.48 = 890,616.20 : x
  2. Step 2: Convert to fraction form
    3,286,771.49/4,930,157.48 = 890,616.20/x
  3. Step 3: Cross multiply
    3,286,771.49x = 4,930,157.48 × 890,616.20
  4. Step 4: Simplify right side
    3,286,771.49x = 4,390,878,091,135.31
  5. Step 5: Solve for x
    x = 4,390,878,091,135.31/3,286,771.49
  6. Step 6: Final answer
    x = 1,335,924.36

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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.