Finding the Fourth Proportional to 1,781,361.13, 2,458,278.36 and 976,545.13
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Solution
The fourth proportional to 1,781,361.13, 2,458,278.36 and 976,545.13 is: 1,347,632.28
Step by Step Solution
- Step 1: Write the proportion equation
1,781,361.13 : 2,458,278.36 = 976,545.13 : x - Step 2: Convert to fraction form
1,781,361.13/2,458,278.36 = 976,545.13/x - Step 3: Cross multiply
1,781,361.13x = 2,458,278.36 × 976,545.13 - Step 4: Simplify right side
1,781,361.13x = 2,400,619,760,642.39 - Step 5: Solve for x
x = 2,400,619,760,642.39/1,781,361.13 - Step 6: Final answer
x = 1,347,632.28
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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.