Finding the Fourth Proportional to 1,867,543.09, 2,577,278.66 and 1,040,691.24
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Solution
The fourth proportional to 1,867,543.09, 2,577,278.66 and 1,040,691.24 is: 1,436,192.47
Step by Step Solution
- Step 1: Write the proportion equation
1,867,543.09 : 2,577,278.66 = 1,040,691.24 : x - Step 2: Convert to fraction form
1,867,543.09/2,577,278.66 = 1,040,691.24/x - Step 3: Cross multiply
1,867,543.09x = 2,577,278.66 × 1,040,691.24 - Step 4: Simplify right side
1,867,543.09x = 2,682,151,319,297.48 - Step 5: Solve for x
x = 2,682,151,319,297.48/1,867,543.09 - Step 6: Final answer
x = 1,436,192.47
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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.