Finding the Fourth Proportional to 4,862,947.96, 6,711,795.42 and 3,206,186.08
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Solution
The fourth proportional to 4,862,947.96, 6,711,795.42 and 3,206,186.08 is: 4,425,148.13
Step by Step Solution
- Step 1: Write the proportion equation
4,862,947.96 : 6,711,795.42 = 3,206,186.08 : x - Step 2: Convert to fraction form
4,862,947.96/6,711,795.42 = 3,206,186.08/x - Step 3: Cross multiply
4,862,947.96x = 6,711,795.42 × 3,206,186.08 - Step 4: Simplify right side
4,862,947.96x = 21,519,265,047,411.75 - Step 5: Solve for x
x = 21,519,265,047,411.75/4,862,947.96 - Step 6: Final answer
x = 4,425,148.13
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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.