Finding the Fourth Proportional to 5,776,713.54, 7,972,113.81 and 3,198,394.35
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Solution
The fourth proportional to 5,776,713.54, 7,972,113.81 and 3,198,394.35 is: 4,413,922.14
Step by Step Solution
- Step 1: Write the proportion equation
5,776,713.54 : 7,972,113.81 = 3,198,394.35 : x - Step 2: Convert to fraction form
5,776,713.54/7,972,113.81 = 3,198,394.35/x - Step 3: Cross multiply
5,776,713.54x = 7,972,113.81 × 3,198,394.35 - Step 4: Simplify right side
5,776,713.54x = 25,497,963,767,460.97 - Step 5: Solve for x
x = 25,497,963,767,460.97/5,776,713.54 - Step 6: Final answer
x = 4,413,922.14
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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.