Finding the Fourth Proportional to 2,265,717.66, 3,126,691.26 and 1,247,115.12
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Solution
The fourth proportional to 2,265,717.66, 3,126,691.26 and 1,247,115.12 is: 1,721,019.36
Step by Step Solution
- Step 1: Write the proportion equation
2,265,717.66 : 3,126,691.26 = 1,247,115.12 : x - Step 2: Convert to fraction form
2,265,717.66/3,126,691.26 = 1,247,115.12/x - Step 3: Cross multiply
2,265,717.66x = 3,126,691.26 × 1,247,115.12 - Step 4: Simplify right side
2,265,717.66x = 3,899,343,945,917.85 - Step 5: Solve for x
x = 3,899,343,945,917.85/2,265,717.66 - Step 6: Final answer
x = 1,721,019.36
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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.