Finding the Fourth Proportional to 4,228,067.40, 5,834,703.42 and 2,294,278.80
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Solution
The fourth proportional to 4,228,067.40, 5,834,703.42 and 2,294,278.80 is: 3,166,088.69
Step by Step Solution
- Step 1: Write the proportion equation
4,228,067.40 : 5,834,703.42 = 2,294,278.80 : x - Step 2: Convert to fraction form
4,228,067.40/5,834,703.42 = 2,294,278.80/x - Step 3: Cross multiply
4,228,067.40x = 5,834,703.42 × 2,294,278.80 - Step 4: Simplify right side
4,228,067.40x = 13,386,436,360,793.49 - Step 5: Solve for x
x = 13,386,436,360,793.49/4,228,067.40 - Step 6: Final answer
x = 3,166,088.69
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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.