Finding the Fourth Proportional to 3,478,473.96, 4,800,982.54 and 2,256,294.12
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Solution
The fourth proportional to 3,478,473.96, 4,800,982.54 and 2,256,294.12 is: 3,114,132.46
Step by Step Solution
- Step 1: Write the proportion equation
3,478,473.96 : 4,800,982.54 = 2,256,294.12 : x - Step 2: Convert to fraction form
3,478,473.96/4,800,982.54 = 2,256,294.12/x - Step 3: Cross multiply
3,478,473.96x = 4,800,982.54 × 2,256,294.12 - Step 4: Simplify right side
3,478,473.96x = 10,832,428,675,224.67 - Step 5: Solve for x
x = 10,832,428,675,224.67/3,478,473.96 - Step 6: Final answer
x = 3,114,132.46
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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.