Finding the Fourth Proportional to 6,324,327.28, 8,727,574.62 and 3,423,718.18
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Solution
The fourth proportional to 6,324,327.28, 8,727,574.62 and 3,423,718.18 is: 4,724,732.70
Step by Step Solution
- Step 1: Write the proportion equation
6,324,327.28 : 8,727,574.62 = 3,423,718.18 : x - Step 2: Convert to fraction form
6,324,327.28/8,727,574.62 = 3,423,718.18/x - Step 3: Cross multiply
6,324,327.28x = 8,727,574.62 × 3,423,718.18 - Step 4: Simplify right side
6,324,327.28x = 29,880,755,893,800.59 - Step 5: Solve for x
x = 29,880,755,893,800.59/6,324,327.28 - Step 6: Final answer
x = 4,724,732.70
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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.