Finding the Fourth Proportional to 2,707,976.80, 3,737,390.66 and 1,675,816.85
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Solution
The fourth proportional to 2,707,976.80, 3,737,390.66 and 1,675,816.85 is: 2,312,864.07
Step by Step Solution
- Step 1: Write the proportion equation
2,707,976.80 : 3,737,390.66 = 1,675,816.85 : x - Step 2: Convert to fraction form
2,707,976.80/3,737,390.66 = 1,675,816.85/x - Step 3: Cross multiply
2,707,976.80x = 3,737,390.66 × 1,675,816.85 - Step 4: Simplify right side
2,707,976.80x = 6,263,182,261,265.38 - Step 5: Solve for x
x = 6,263,182,261,265.38/2,707,976.80 - Step 6: Final answer
x = 2,312,864.07
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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.