Finding the Fourth Proportional to 5,385,962.50, 8,071,963.49 and 2,187,372.94
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Solution
The fourth proportional to 5,385,962.50, 8,071,963.49 and 2,187,372.94 is: 3,278,224.55
Step by Step Solution
- Step 1: Write the proportion equation
5,385,962.50 : 8,071,963.49 = 2,187,372.94 : x - Step 2: Convert to fraction form
5,385,962.50/8,071,963.49 = 2,187,372.94/x - Step 3: Cross multiply
5,385,962.50x = 8,071,963.49 × 2,187,372.94 - Step 4: Simplify right side
5,385,962.50x = 17,656,394,495,982.48 - Step 5: Solve for x
x = 17,656,394,495,982.48/5,385,962.50 - Step 6: Final answer
x = 3,278,224.55
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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.