Finding the Fourth Proportional to 2,985,723.05, 4,478,587.67 and 741,861.05
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Solution
The fourth proportional to 2,985,723.05, 4,478,587.67 and 741,861.05 is: 1,112,792.34
Step by Step Solution
- Step 1: Write the proportion equation
2,985,723.05 : 4,478,587.67 = 741,861.05 : x - Step 2: Convert to fraction form
2,985,723.05/4,478,587.67 = 741,861.05/x - Step 3: Cross multiply
2,985,723.05x = 4,478,587.67 × 741,861.05 - Step 4: Simplify right side
2,985,723.05x = 3,322,489,730,844.97 - Step 5: Solve for x
x = 3,322,489,730,844.97/2,985,723.05 - Step 6: Final answer
x = 1,112,792.34
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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.