Home / 2,431,640.42-3,643,853.67-990,563.41

Finding the Fourth Proportional to 2,431,640.42, 3,643,853.67 and 990,563.41

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Solution

The fourth proportional to 2,431,640.42, 3,643,853.67 and 990,563.41 is: 1,484,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431,640.42 : 3,643,853.67 = 990,563.41 : x
  2. Step 2: Convert to fraction form
    2,431,640.42/3,643,853.67 = 990,563.41/x
  3. Step 3: Cross multiply
    2,431,640.42x = 3,643,853.67 × 990,563.41
  4. Step 4: Simplify right side
    2,431,640.42x = 3,609,468,116,896.22
  5. Step 5: Solve for x
    x = 3,609,468,116,896.22/2,431,640.42
  6. Step 6: Final answer
    x = 1,484,375.77

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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.