Finding the Fourth Proportional to 4,098,748.20, 6,148,122.30 and 2,902,021.80
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Solution
The fourth proportional to 4,098,748.20, 6,148,122.30 and 2,902,021.80 is: 4,353,032.70
Step by Step Solution
- Step 1: Write the proportion equation
4,098,748.20 : 6,148,122.30 = 2,902,021.80 : x - Step 2: Convert to fraction form
4,098,748.20/6,148,122.30 = 2,902,021.80/x - Step 3: Cross multiply
4,098,748.20x = 6,148,122.30 × 2,902,021.80 - Step 4: Simplify right side
4,098,748.20x = 17,841,984,943,666.14 - Step 5: Solve for x
x = 17,841,984,943,666.14/4,098,748.20 - Step 6: Final answer
x = 4,353,032.70
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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.