Finding the Fourth Proportional to 5,217,269.58, 7,199,825.40 and 2,894,514.48
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Solution
The fourth proportional to 5,217,269.58, 7,199,825.40 and 2,894,514.48 is: 3,994,426.31
Step by Step Solution
- Step 1: Write the proportion equation
5,217,269.58 : 7,199,825.40 = 2,894,514.48 : x - Step 2: Convert to fraction form
5,217,269.58/7,199,825.40 = 2,894,514.48/x - Step 3: Cross multiply
5,217,269.58x = 7,199,825.40 × 2,894,514.48 - Step 4: Simplify right side
5,217,269.58x = 20,839,998,873,771.79 - Step 5: Solve for x
x = 20,839,998,873,771.79/5,217,269.58 - Step 6: Final answer
x = 3,994,426.31
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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.