Finding the Fourth Proportional to 4,120,231.05, 6,181,121.34 and 1,658,435.04
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Solution
The fourth proportional to 4,120,231.05, 6,181,121.34 and 1,658,435.04 is: 2,487,964.41
Step by Step Solution
- Step 1: Write the proportion equation
4,120,231.05 : 6,181,121.34 = 1,658,435.04 : x - Step 2: Convert to fraction form
4,120,231.05/6,181,121.34 = 1,658,435.04/x - Step 3: Cross multiply
4,120,231.05x = 6,181,121.34 × 1,658,435.04 - Step 4: Simplify right side
4,120,231.05x = 10,250,988,216,747.75 - Step 5: Solve for x
x = 10,250,988,216,747.75/4,120,231.05 - Step 6: Final answer
x = 2,487,964.41
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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.