Finding the Fourth Proportional to 5,375,994.71, 7,418,869.43 and 2,961,546.71
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Solution
The fourth proportional to 5,375,994.71, 7,418,869.43 and 2,961,546.71 is: 4,086,932.66
Step by Step Solution
- Step 1: Write the proportion equation
5,375,994.71 : 7,418,869.43 = 2,961,546.71 : x - Step 2: Convert to fraction form
5,375,994.71/7,418,869.43 = 2,961,546.71/x - Step 3: Cross multiply
5,375,994.71x = 7,418,869.43 × 2,961,546.71 - Step 4: Simplify right side
5,375,994.71x = 21,971,328,378,287.12 - Step 5: Solve for x
x = 21,971,328,378,287.12/5,375,994.71 - Step 6: Final answer
x = 4,086,932.66
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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.