Finding the Fourth Proportional to 1,720,614.75, 2,373,776.35 and 985,176.01
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Solution
The fourth proportional to 1,720,614.75, 2,373,776.35 and 985,176.01 is: 1,359,158.12
Step by Step Solution
- Step 1: Write the proportion equation
1,720,614.75 : 2,373,776.35 = 985,176.01 : x - Step 2: Convert to fraction form
1,720,614.75/2,373,776.35 = 985,176.01/x - Step 3: Cross multiply
1,720,614.75x = 2,373,776.35 × 985,176.01 - Step 4: Simplify right side
1,720,614.75x = 2,338,587,496,330.60 - Step 5: Solve for x
x = 2,338,587,496,330.60/1,720,614.75 - Step 6: Final answer
x = 1,359,158.12
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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.