Finding the Fourth Proportional to 3,550,514.70, 5,325,772.05 and 991,724.70
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Solution
The fourth proportional to 3,550,514.70, 5,325,772.05 and 991,724.70 is: 1,487,587.05
Step by Step Solution
- Step 1: Write the proportion equation
3,550,514.70 : 5,325,772.05 = 991,724.70 : x - Step 2: Convert to fraction form
3,550,514.70/5,325,772.05 = 991,724.70/x - Step 3: Cross multiply
3,550,514.70x = 5,325,772.05 × 991,724.70 - Step 4: Simplify right side
3,550,514.70x = 5,281,699,688,554.64 - Step 5: Solve for x
x = 5,281,699,688,554.64/3,550,514.70 - Step 6: Final answer
x = 1,487,587.05
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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.