Finding the Fourth Proportional to 5,039,195.80, 6,953,790.54 and 2,863,436.98
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Solution
The fourth proportional to 5,039,195.80, 6,953,790.54 and 2,863,436.98 is: 3,951,372.75
Step by Step Solution
- Step 1: Write the proportion equation
5,039,195.80 : 6,953,790.54 = 2,863,436.98 : x - Step 2: Convert to fraction form
5,039,195.80/6,953,790.54 = 2,863,436.98/x - Step 3: Cross multiply
5,039,195.80x = 6,953,790.54 × 2,863,436.98 - Step 4: Simplify right side
5,039,195.80x = 19,911,740,983,410.17 - Step 5: Solve for x
x = 19,911,740,983,410.17/5,039,195.80 - Step 6: Final answer
x = 3,951,372.75
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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.