Finding the Fourth Proportional to 6,241,087.20, 9,351,133.20 and 5,338,293.60
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Solution
The fourth proportional to 6,241,087.20, 9,351,133.20 and 5,338,293.60 is: 7,998,461.31
Step by Step Solution
- Step 1: Write the proportion equation
6,241,087.20 : 9,351,133.20 = 5,338,293.60 : x - Step 2: Convert to fraction form
6,241,087.20/9,351,133.20 = 5,338,293.60/x - Step 3: Cross multiply
6,241,087.20x = 9,351,133.20 × 5,338,293.60 - Step 4: Simplify right side
6,241,087.20x = 49,919,094,514,307.52 - Step 5: Solve for x
x = 49,919,094,514,307.52/6,241,087.20 - Step 6: Final answer
x = 7,998,461.31
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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.