Finding the Fourth Proportional to 5,346,572.60, 8,019,858.90 and 2,512,220.60
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Solution
The fourth proportional to 5,346,572.60, 8,019,858.90 and 2,512,220.60 is: 3,768,330.90
Step by Step Solution
- Step 1: Write the proportion equation
5,346,572.60 : 8,019,858.90 = 2,512,220.60 : x - Step 2: Convert to fraction form
5,346,572.60/8,019,858.90 = 2,512,220.60/x - Step 3: Cross multiply
5,346,572.60x = 8,019,858.90 × 2,512,220.60 - Step 4: Simplify right side
5,346,572.60x = 20,147,654,737,673.34 - Step 5: Solve for x
x = 20,147,654,737,673.34/5,346,572.60 - Step 6: Final answer
x = 3,768,330.90
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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.