Home / 2,920,807.94-4,381,626.53-899,219.86

Finding the Fourth Proportional to 2,920,807.94, 4,381,626.53 and 899,219.86

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Solution

The fourth proportional to 2,920,807.94, 4,381,626.53 and 899,219.86 is: 1,348,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,807.94 : 4,381,626.53 = 899,219.86 : x
  2. Step 2: Convert to fraction form
    2,920,807.94/4,381,626.53 = 899,219.86/x
  3. Step 3: Cross multiply
    2,920,807.94x = 4,381,626.53 × 899,219.86
  4. Step 4: Simplify right side
    2,920,807.94x = 3,940,045,568,474.65
  5. Step 5: Solve for x
    x = 3,940,045,568,474.65/2,920,807.94
  6. Step 6: Final answer
    x = 1,348,957.43

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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.