Finding the Fourth Proportional to 5,320,943.16, 7,342,901.28 and 2,873,553.97
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Solution
The fourth proportional to 5,320,943.16, 7,342,901.28 and 2,873,553.97 is: 3,965,504.33
Step by Step Solution
- Step 1: Write the proportion equation
5,320,943.16 : 7,342,901.28 = 2,873,553.97 : x - Step 2: Convert to fraction form
5,320,943.16/7,342,901.28 = 2,873,553.97/x - Step 3: Cross multiply
5,320,943.16x = 7,342,901.28 × 2,873,553.97 - Step 4: Simplify right side
5,320,943.16x = 21,100,223,124,462.08 - Step 5: Solve for x
x = 21,100,223,124,462.08/5,320,943.16 - Step 6: Final answer
x = 3,965,504.33
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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.