Finding the Fourth Proportional to 5,490,979.68, 7,577,538.84 and 3,010,195.92
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Solution
The fourth proportional to 5,490,979.68, 7,577,538.84 and 3,010,195.92 is: 4,154,063.18
Step by Step Solution
- Step 1: Write the proportion equation
5,490,979.68 : 7,577,538.84 = 3,010,195.92 : x - Step 2: Convert to fraction form
5,490,979.68/7,577,538.84 = 3,010,195.92/x - Step 3: Cross multiply
5,490,979.68x = 7,577,538.84 × 3,010,195.92 - Step 4: Simplify right side
5,490,979.68x = 22,809,876,499,809.53 - Step 5: Solve for x
x = 22,809,876,499,809.53/5,490,979.68 - Step 6: Final answer
x = 4,154,063.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.