Finding the Fourth Proportional to 5,207,658.15, 7,804,701.27 and 2,902,059.48
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Solution
The fourth proportional to 5,207,658.15, 7,804,701.27 and 2,902,059.48 is: 4,349,307.63
Step by Step Solution
- Step 1: Write the proportion equation
5,207,658.15 : 7,804,701.27 = 2,902,059.48 : x - Step 2: Convert to fraction form
5,207,658.15/7,804,701.27 = 2,902,059.48/x - Step 3: Cross multiply
5,207,658.15x = 7,804,701.27 × 2,902,059.48 - Step 4: Simplify right side
5,207,658.15x = 22,649,707,309,171.54 - Step 5: Solve for x
x = 22,649,707,309,171.54/5,207,658.15 - Step 6: Final answer
x = 4,349,307.63
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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.