Finding the Fourth Proportional to 3,165,479.87, 4,368,347.42 and 1,715,175.47
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Solution
The fourth proportional to 3,165,479.87, 4,368,347.42 and 1,715,175.47 is: 2,366,934.13
Step by Step Solution
- Step 1: Write the proportion equation
3,165,479.87 : 4,368,347.42 = 1,715,175.47 : x - Step 2: Convert to fraction form
3,165,479.87/4,368,347.42 = 1,715,175.47/x - Step 3: Cross multiply
3,165,479.87x = 4,368,347.42 × 1,715,175.47 - Step 4: Simplify right side
3,165,479.87x = 7,492,482,341,566.78 - Step 5: Solve for x
x = 7,492,482,341,566.78/3,165,479.87 - Step 6: Final answer
x = 2,366,934.13
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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.