Finding the Fourth Proportional to 4,320,812.79, 5,963,572.82 and 2,577,609.68
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Solution
The fourth proportional to 4,320,812.79, 5,963,572.82 and 2,577,609.68 is: 3,557,609.13
Step by Step Solution
- Step 1: Write the proportion equation
4,320,812.79 : 5,963,572.82 = 2,577,609.68 : x - Step 2: Convert to fraction form
4,320,812.79/5,963,572.82 = 2,577,609.68/x - Step 3: Cross multiply
4,320,812.79x = 5,963,572.82 × 2,577,609.68 - Step 4: Simplify right side
4,320,812.79x = 15,371,763,015,328.85 - Step 5: Solve for x
x = 15,371,763,015,328.85/4,320,812.79 - Step 6: Final answer
x = 3,557,609.13
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.