Finding the Fourth Proportional to 1,796,965.12, 2,695,436.80 and 449,120.96
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Solution
The fourth proportional to 1,796,965.12, 2,695,436.80 and 449,120.96 is: 673,678.72
Step by Step Solution
- Step 1: Write the proportion equation
1,796,965.12 : 2,695,436.80 = 449,120.96 : x - Step 2: Convert to fraction form
1,796,965.12/2,695,436.80 = 449,120.96/x - Step 3: Cross multiply
1,796,965.12x = 2,695,436.80 × 449,120.96 - Step 4: Simplify right side
1,796,965.12x = 1,210,577,163,235.33 - Step 5: Solve for x
x = 1,210,577,163,235.33/1,796,965.12 - Step 6: Final answer
x = 673,678.72
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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.