Finding the Fourth Proportional to 6,784,988.63, 9,363,356.81 and 3,687,512.18
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Solution
The fourth proportional to 6,784,988.63, 9,363,356.81 and 3,687,512.18 is: 5,088,806.21
Step by Step Solution
- Step 1: Write the proportion equation
6,784,988.63 : 9,363,356.81 = 3,687,512.18 : x - Step 2: Convert to fraction form
6,784,988.63/9,363,356.81 = 3,687,512.18/x - Step 3: Cross multiply
6,784,988.63x = 9,363,356.81 × 3,687,512.18 - Step 4: Simplify right side
6,784,988.63x = 34,527,492,217,306.60 - Step 5: Solve for x
x = 34,527,492,217,306.60/6,784,988.63 - Step 6: Final answer
x = 5,088,806.21
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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.