Finding the Fourth Proportional to 3,598,331.12, 5,397,494.52 and 938,939.12
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Solution
The fourth proportional to 3,598,331.12, 5,397,494.52 and 938,939.12 is: 1,408,408.12
Step by Step Solution
- Step 1: Write the proportion equation
3,598,331.12 : 5,397,494.52 = 938,939.12 : x - Step 2: Convert to fraction form
3,598,331.12/5,397,494.52 = 938,939.12/x - Step 3: Cross multiply
3,598,331.12x = 5,397,494.52 × 938,939.12 - Step 4: Simplify right side
3,598,331.12x = 5,067,918,754,813.62 - Step 5: Solve for x
x = 5,067,918,754,813.62/3,598,331.12 - Step 6: Final answer
x = 1,408,408.12
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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.