Finding the Fourth Proportional to 5,163,672.04, 7,125,827.88 and 2,840,514.48
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Solution
The fourth proportional to 5,163,672.04, 7,125,827.88 and 2,840,514.48 is: 3,919,888.23
Step by Step Solution
- Step 1: Write the proportion equation
5,163,672.04 : 7,125,827.88 = 2,840,514.48 : x - Step 2: Convert to fraction form
5,163,672.04/7,125,827.88 = 2,840,514.48/x - Step 3: Cross multiply
5,163,672.04x = 7,125,827.88 × 2,840,514.48 - Step 4: Simplify right side
5,163,672.04x = 20,241,017,275,127.70 - Step 5: Solve for x
x = 20,241,017,275,127.70/5,163,672.04 - Step 6: Final answer
x = 3,919,888.23
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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.