Finding the Fourth Proportional to 4,940,825.14, 6,812,924.26 and 3,218,752.18
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Solution
The fourth proportional to 4,940,825.14, 6,812,924.26 and 3,218,752.18 is: 4,438,350.71
Step by Step Solution
- Step 1: Write the proportion equation
4,940,825.14 : 6,812,924.26 = 3,218,752.18 : x - Step 2: Convert to fraction form
4,940,825.14/6,812,924.26 = 3,218,752.18/x - Step 3: Cross multiply
4,940,825.14x = 6,812,924.26 × 3,218,752.18 - Step 4: Simplify right side
4,940,825.14x = 21,929,114,763,891.50 - Step 5: Solve for x
x = 21,929,114,763,891.50/4,940,825.14 - Step 6: Final answer
x = 4,438,350.71
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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.