Home / 1,920,049.91-2,880,073.94-572,178.12

Finding the Fourth Proportional to 1,920,049.91, 2,880,073.94 and 572,178.12

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Solution

The fourth proportional to 1,920,049.91, 2,880,073.94 and 572,178.12 is: 858,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,049.91 : 2,880,073.94 = 572,178.12 : x
  2. Step 2: Convert to fraction form
    1,920,049.91/2,880,073.94 = 572,178.12/x
  3. Step 3: Cross multiply
    1,920,049.91x = 2,880,073.94 × 572,178.12
  4. Step 4: Simplify right side
    1,920,049.91x = 1,647,915,289,589.30
  5. Step 5: Solve for x
    x = 1,647,915,289,589.30/1,920,049.91
  6. Step 6: Final answer
    x = 858,266.91

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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.