Finding the Fourth Proportional to 3,425,631.60, 5,131,471.68 and 1,623,051.12
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Solution
The fourth proportional to 3,425,631.60, 5,131,471.68 and 1,623,051.12 is: 2,431,271.61
Step by Step Solution
- Step 1: Write the proportion equation
3,425,631.60 : 5,131,471.68 = 1,623,051.12 : x - Step 2: Convert to fraction form
3,425,631.60/5,131,471.68 = 1,623,051.12/x - Step 3: Cross multiply
3,425,631.60x = 5,131,471.68 × 1,623,051.12 - Step 4: Simplify right side
3,425,631.60x = 8,328,640,857,472.28 - Step 5: Solve for x
x = 8,328,640,857,472.28/3,425,631.60 - Step 6: Final answer
x = 2,431,271.61
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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.