Finding the Fourth Proportional to 3,411,114.54, 5,119,346.16 and 2,379,737.76
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Solution
The fourth proportional to 3,411,114.54, 5,119,346.16 and 2,379,737.76 is: 3,571,472.38
Step by Step Solution
- Step 1: Write the proportion equation
3,411,114.54 : 5,119,346.16 = 2,379,737.76 : x - Step 2: Convert to fraction form
3,411,114.54/5,119,346.16 = 2,379,737.76/x - Step 3: Cross multiply
3,411,114.54x = 5,119,346.16 × 2,379,737.76 - Step 4: Simplify right side
3,411,114.54x = 12,182,701,363,463 - Step 5: Solve for x
x = 12,182,701,363,463/3,411,114.54 - Step 6: Final answer
x = 3,571,472.38
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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.