Finding the Fourth Proportional to 5,996,894.18, 8,275,909.56 and 3,280,640.18
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Solution
The fourth proportional to 5,996,894.18, 8,275,909.56 and 3,280,640.18 is: 4,527,390.45
Step by Step Solution
- Step 1: Write the proportion equation
5,996,894.18 : 8,275,909.56 = 3,280,640.18 : x - Step 2: Convert to fraction form
5,996,894.18/8,275,909.56 = 3,280,640.18/x - Step 3: Cross multiply
5,996,894.18x = 8,275,909.56 × 3,280,640.18 - Step 4: Simplify right side
5,996,894.18x = 27,150,281,428,582.12 - Step 5: Solve for x
x = 27,150,281,428,582.12/5,996,894.18 - Step 6: Final answer
x = 4,527,390.45
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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.