Finding the Fourth Proportional to 4,934,188.80, 7,397,532.09 and 3,413,830.14
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Solution
The fourth proportional to 4,934,188.80, 7,397,532.09 and 3,413,830.14 is: 5,118,149.92
Step by Step Solution
- Step 1: Write the proportion equation
4,934,188.80 : 7,397,532.09 = 3,413,830.14 : x - Step 2: Convert to fraction form
4,934,188.80/7,397,532.09 = 3,413,830.14/x - Step 3: Cross multiply
4,934,188.80x = 7,397,532.09 × 3,413,830.14 - Step 4: Simplify right side
4,934,188.80x = 25,253,918,010,459.19 - Step 5: Solve for x
x = 25,253,918,010,459.19/4,934,188.80 - Step 6: Final answer
x = 5,118,149.92
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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.