Finding the Fourth Proportional to 5,376,579.19, 7,419,656.90 and 2,929,182.62
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Solution
The fourth proportional to 5,376,579.19, 7,419,656.90 and 2,929,182.62 is: 4,042,259.82
Step by Step Solution
- Step 1: Write the proportion equation
5,376,579.19 : 7,419,656.90 = 2,929,182.62 : x - Step 2: Convert to fraction form
5,376,579.19/7,419,656.90 = 2,929,182.62/x - Step 3: Cross multiply
5,376,579.19x = 7,419,656.90 × 2,929,182.62 - Step 4: Simplify right side
5,376,579.19x = 21,733,530,008,067.75 - Step 5: Solve for x
x = 21,733,530,008,067.75/5,376,579.19 - Step 6: Final answer
x = 4,042,259.82
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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.