Finding the Fourth Proportional to 6,427,701.73, 8,870,204.05 and 3,527,141.14
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Solution
The fourth proportional to 6,427,701.73, 8,870,204.05 and 3,527,141.14 is: 4,867,441.42
Step by Step Solution
- Step 1: Write the proportion equation
6,427,701.73 : 8,870,204.05 = 3,527,141.14 : x - Step 2: Convert to fraction form
6,427,701.73/8,870,204.05 = 3,527,141.14/x - Step 3: Cross multiply
6,427,701.73x = 8,870,204.05 × 3,527,141.14 - Step 4: Simplify right side
6,427,701.73x = 31,286,461,624,949.62 - Step 5: Solve for x
x = 31,286,461,624,949.62/6,427,701.73 - Step 6: Final answer
x = 4,867,441.42
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1.5x scale
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.