Finding the Fourth Proportional to 5,474,915.19, 7,555,431.87 and 3,027,690.95
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Solution
The fourth proportional to 5,474,915.19, 7,555,431.87 and 3,027,690.95 is: 4,178,240.55
Step by Step Solution
- Step 1: Write the proportion equation
5,474,915.19 : 7,555,431.87 = 3,027,690.95 : x - Step 2: Convert to fraction form
5,474,915.19/7,555,431.87 = 3,027,690.95/x - Step 3: Cross multiply
5,474,915.19x = 7,555,431.87 × 3,027,690.95 - Step 4: Simplify right side
5,474,915.19x = 22,875,512,658,363.42 - Step 5: Solve for x
x = 22,875,512,658,363.42/5,474,915.19 - Step 6: Final answer
x = 4,178,240.55
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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.