Finding the Fourth Proportional to 3,817,631.99, 5,726,449.04 and 1,121,957.05
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Solution
The fourth proportional to 3,817,631.99, 5,726,449.04 and 1,121,957.05 is: 1,682,935.88
Step by Step Solution
- Step 1: Write the proportion equation
3,817,631.99 : 5,726,449.04 = 1,121,957.05 : x - Step 2: Convert to fraction form
3,817,631.99/5,726,449.04 = 1,121,957.05/x - Step 3: Cross multiply
3,817,631.99x = 5,726,449.04 × 1,121,957.05 - Step 4: Simplify right side
3,817,631.99x = 6,424,829,860,382.50 - Step 5: Solve for x
x = 6,424,829,860,382.50/3,817,631.99 - Step 6: Final answer
x = 1,682,935.88
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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.