Finding the Fourth Proportional to 2,515,706.86, 3,471,675.49 and 1,369,787.20
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Solution
The fourth proportional to 2,515,706.86, 3,471,675.49 and 1,369,787.20 is: 1,890,306.35
Step by Step Solution
- Step 1: Write the proportion equation
2,515,706.86 : 3,471,675.49 = 1,369,787.20 : x - Step 2: Convert to fraction form
2,515,706.86/3,471,675.49 = 1,369,787.20/x - Step 3: Cross multiply
2,515,706.86x = 3,471,675.49 × 1,369,787.20 - Step 4: Simplify right side
2,515,706.86x = 4,755,456,661,316.95 - Step 5: Solve for x
x = 4,755,456,661,316.95/2,515,706.86 - Step 6: Final answer
x = 1,890,306.35
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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.