Finding the Fourth Proportional to 5,755,636.34, 7,942,569.99 and 3,177,261.76
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Solution
The fourth proportional to 5,755,636.34, 7,942,569.99 and 3,177,261.76 is: 4,384,506.32
Step by Step Solution
- Step 1: Write the proportion equation
5,755,636.34 : 7,942,569.99 = 3,177,261.76 : x - Step 2: Convert to fraction form
5,755,636.34/7,942,569.99 = 3,177,261.76/x - Step 3: Cross multiply
5,755,636.34x = 7,942,569.99 × 3,177,261.76 - Step 4: Simplify right side
5,755,636.34x = 25,235,623,905,350.58 - Step 5: Solve for x
x = 25,235,623,905,350.58/5,755,636.34 - Step 6: Final answer
x = 4,384,506.32
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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.