Finding the Fourth Proportional to 2,605,472.24, 3,902,433.96 and 2,001,991.28
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Solution
The fourth proportional to 2,605,472.24, 3,902,433.96 and 2,001,991.28 is: 2,998,549.99
Step by Step Solution
- Step 1: Write the proportion equation
2,605,472.24 : 3,902,433.96 = 2,001,991.28 : x - Step 2: Convert to fraction form
2,605,472.24/3,902,433.96 = 2,001,991.28/x - Step 3: Cross multiply
2,605,472.24x = 3,902,433.96 × 2,001,991.28 - Step 4: Simplify right side
2,605,472.24x = 7,812,638,758,695.87 - Step 5: Solve for x
x = 7,812,638,758,695.87/2,605,472.24 - Step 6: Final answer
x = 2,998,549.99
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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.