Finding the Fourth Proportional to 5,440,784.80, 8,161,177.20 and 3,846,461.80
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Solution
The fourth proportional to 5,440,784.80, 8,161,177.20 and 3,846,461.80 is: 5,769,692.70
Step by Step Solution
- Step 1: Write the proportion equation
5,440,784.80 : 8,161,177.20 = 3,846,461.80 : x - Step 2: Convert to fraction form
5,440,784.80/8,161,177.20 = 3,846,461.80/x - Step 3: Cross multiply
5,440,784.80x = 8,161,177.20 × 3,846,461.80 - Step 4: Simplify right side
5,440,784.80x = 31,391,656,342,830.96 - Step 5: Solve for x
x = 31,391,656,342,830.96/5,440,784.80 - Step 6: Final answer
x = 5,769,692.70
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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.