Finding the Fourth Proportional to 3,812,220.96, 5,717,061.84 and 1,537,157.28
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Solution
The fourth proportional to 3,812,220.96, 5,717,061.84 and 1,537,157.28 is: 2,305,223.99
Step by Step Solution
- Step 1: Write the proportion equation
3,812,220.96 : 5,717,061.84 = 1,537,157.28 : x - Step 2: Convert to fraction form
3,812,220.96/5,717,061.84 = 1,537,157.28/x - Step 3: Cross multiply
3,812,220.96x = 5,717,061.84 × 1,537,157.28 - Step 4: Simplify right side
3,812,220.96x = 8,788,023,227,566.20 - Step 5: Solve for x
x = 8,788,023,227,566.20/3,812,220.96 - Step 6: Final answer
x = 2,305,223.99
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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.