Finding the Fourth Proportional to 3,446,022.15, 4,755,431.70 and 2,157,572.97
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Solution
The fourth proportional to 3,446,022.15, 4,755,431.70 and 2,157,572.97 is: 2,977,401.32
Step by Step Solution
- Step 1: Write the proportion equation
3,446,022.15 : 4,755,431.70 = 2,157,572.97 : x - Step 2: Convert to fraction form
3,446,022.15/4,755,431.70 = 2,157,572.97/x - Step 3: Cross multiply
3,446,022.15x = 4,755,431.70 × 2,157,572.97 - Step 4: Simplify right side
3,446,022.15x = 10,260,190,896,601.15 - Step 5: Solve for x
x = 10,260,190,896,601.15/3,446,022.15 - Step 6: Final answer
x = 2,977,401.32
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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.