Home / 3,258,679.20-4,889,185.20-1,366,000.80

Finding the Fourth Proportional to 3,258,679.20, 4,889,185.20 and 1,366,000.80

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Solution

The fourth proportional to 3,258,679.20, 4,889,185.20 and 1,366,000.80 is: 2,049,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,679.20 : 4,889,185.20 = 1,366,000.80 : x
  2. Step 2: Convert to fraction form
    3,258,679.20/4,889,185.20 = 1,366,000.80/x
  3. Step 3: Cross multiply
    3,258,679.20x = 4,889,185.20 × 1,366,000.80
  4. Step 4: Simplify right side
    3,258,679.20x = 6,678,630,894,548.16
  5. Step 5: Solve for x
    x = 6,678,630,894,548.16/3,258,679.20
  6. Step 6: Final answer
    x = 2,049,490.14

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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.