Finding the Fourth Proportional to 5,385,732.52, 7,432,051.35 and 2,938,197.95
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Solution
The fourth proportional to 5,385,732.52, 7,432,051.35 and 2,938,197.95 is: 4,054,571.58
Step by Step Solution
- Step 1: Write the proportion equation
5,385,732.52 : 7,432,051.35 = 2,938,197.95 : x - Step 2: Convert to fraction form
5,385,732.52/7,432,051.35 = 2,938,197.95/x - Step 3: Cross multiply
5,385,732.52x = 7,432,051.35 × 2,938,197.95 - Step 4: Simplify right side
5,385,732.52x = 21,836,838,003,704.47 - Step 5: Solve for x
x = 21,836,838,003,704.47/5,385,732.52 - Step 6: Final answer
x = 4,054,571.58
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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.