Finding the Fourth Proportional to 2,145,832.13, 2,961,251.85 and 1,165,775.00
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Solution
The fourth proportional to 2,145,832.13, 2,961,251.85 and 1,165,775.00 is: 1,608,771.41
Step by Step Solution
- Step 1: Write the proportion equation
2,145,832.13 : 2,961,251.85 = 1,165,775.00 : x - Step 2: Convert to fraction form
2,145,832.13/2,961,251.85 = 1,165,775.00/x - Step 3: Cross multiply
2,145,832.13x = 2,961,251.85 × 1,165,775.00 - Step 4: Simplify right side
2,145,832.13x = 3,452,153,372,301.46 - Step 5: Solve for x
x = 3,452,153,372,301.46/2,145,832.13 - Step 6: Final answer
x = 1,608,771.41
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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.