Finding the Fourth Proportional to 3,603,419.97, 4,972,719.36 and 1,971,827.54
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Solution
The fourth proportional to 3,603,419.97, 4,972,719.36 and 1,971,827.54 is: 2,721,121.90
Step by Step Solution
- Step 1: Write the proportion equation
3,603,419.97 : 4,972,719.36 = 1,971,827.54 : x - Step 2: Convert to fraction form
3,603,419.97/4,972,719.36 = 1,971,827.54/x - Step 3: Cross multiply
3,603,419.97x = 4,972,719.36 × 1,971,827.54 - Step 4: Simplify right side
3,603,419.97x = 9,805,344,982,739.18 - Step 5: Solve for x
x = 9,805,344,982,739.18/3,603,419.97 - Step 6: Final answer
x = 2,721,121.90
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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.