Finding the Fourth Proportional to 6,207,218.70, 9,310,828.05 and 5,498,630.70
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Solution
The fourth proportional to 6,207,218.70, 9,310,828.05 and 5,498,630.70 is: 8,247,946.05
Step by Step Solution
- Step 1: Write the proportion equation
6,207,218.70 : 9,310,828.05 = 5,498,630.70 : x - Step 2: Convert to fraction form
6,207,218.70/9,310,828.05 = 5,498,630.70/x - Step 3: Cross multiply
6,207,218.70x = 9,310,828.05 × 5,498,630.70 - Step 4: Simplify right side
6,207,218.70x = 51,196,804,958,151.14 - Step 5: Solve for x
x = 51,196,804,958,151.14/6,207,218.70 - Step 6: Final answer
x = 8,247,946.05
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.