Finding the Fourth Proportional to 5,067,479.34, 6,993,235.17 and 2,891,979.18
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Solution
The fourth proportional to 5,067,479.34, 6,993,235.17 and 2,891,979.18 is: 3,990,996.15
Step by Step Solution
- Step 1: Write the proportion equation
5,067,479.34 : 6,993,235.17 = 2,891,979.18 : x - Step 2: Convert to fraction form
5,067,479.34/6,993,235.17 = 2,891,979.18/x - Step 3: Cross multiply
5,067,479.34x = 6,993,235.17 × 2,891,979.18 - Step 4: Simplify right side
5,067,479.34x = 20,224,290,512,483.76 - Step 5: Solve for x
x = 20,224,290,512,483.76/5,067,479.34 - Step 6: Final answer
x = 3,990,996.15
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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.