Finding the Fourth Proportional to 4,221,874.88, 5,826,207.36 and 2,288,134.92
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Solution
The fourth proportional to 4,221,874.88, 5,826,207.36 and 2,288,134.92 is: 3,157,637.04
Step by Step Solution
- Step 1: Write the proportion equation
4,221,874.88 : 5,826,207.36 = 2,288,134.92 : x - Step 2: Convert to fraction form
4,221,874.88/5,826,207.36 = 2,288,134.92/x - Step 3: Cross multiply
4,221,874.88x = 5,826,207.36 × 2,288,134.92 - Step 4: Simplify right side
4,221,874.88x = 13,331,148,511,577.01 - Step 5: Solve for x
x = 13,331,148,511,577.01/4,221,874.88 - Step 6: Final answer
x = 3,157,637.04
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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.