Finding the Fourth Proportional to 4,324,933.80, 6,487,487.10 and 1,129,861.80
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Solution
The fourth proportional to 4,324,933.80, 6,487,487.10 and 1,129,861.80 is: 1,694,815.27
Step by Step Solution
- Step 1: Write the proportion equation
4,324,933.80 : 6,487,487.10 = 1,129,861.80 : x - Step 2: Convert to fraction form
4,324,933.80/6,487,487.10 = 1,129,861.80/x - Step 3: Cross multiply
4,324,933.80x = 6,487,487.10 × 1,129,861.80 - Step 4: Simplify right side
4,324,933.80x = 7,329,963,852,282.78 - Step 5: Solve for x
x = 7,329,963,852,282.78/4,324,933.80 - Step 6: Final answer
x = 1,694,815.27
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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.