Home / 4,218,369.10-6,329,857.16-1,789,144.50

Finding the Fourth Proportional to 4,218,369.10, 6,329,857.16 and 1,789,144.50

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Solution

The fourth proportional to 4,218,369.10, 6,329,857.16 and 1,789,144.50 is: 2,684,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218,369.10 : 6,329,857.16 = 1,789,144.50 : x
  2. Step 2: Convert to fraction form
    4,218,369.10/6,329,857.16 = 1,789,144.50/x
  3. Step 3: Cross multiply
    4,218,369.10x = 6,329,857.16 × 1,789,144.50
  4. Step 4: Simplify right side
    4,218,369.10x = 11,325,029,123,599.62
  5. Step 5: Solve for x
    x = 11,325,029,123,599.62/4,218,369.10
  6. Step 6: Final answer
    x = 2,684,693.74

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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.