Finding the Fourth Proportional to 5,478,391.43, 8,217,504.11 and 1,884,189.57
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Solution
The fourth proportional to 5,478,391.43, 8,217,504.11 and 1,884,189.57 is: 2,826,255.80
Step by Step Solution
- Step 1: Write the proportion equation
5,478,391.43 : 8,217,504.11 = 1,884,189.57 : x - Step 2: Convert to fraction form
5,478,391.43/8,217,504.11 = 1,884,189.57/x - Step 3: Cross multiply
5,478,391.43x = 8,217,504.11 × 1,884,189.57 - Step 4: Simplify right side
5,478,391.43x = 15,483,335,526,073.19 - Step 5: Solve for x
x = 15,483,335,526,073.19/5,478,391.43 - Step 6: Final answer
x = 2,826,255.80
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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.