Finding the Fourth Proportional to 5,398,324.19, 7,449,687.93 and 2,950,945.20
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Solution
The fourth proportional to 5,398,324.19, 7,449,687.93 and 2,950,945.20 is: 4,072,304.68
Step by Step Solution
- Step 1: Write the proportion equation
5,398,324.19 : 7,449,687.93 = 2,950,945.20 : x - Step 2: Convert to fraction form
5,398,324.19/7,449,687.93 = 2,950,945.20/x - Step 3: Cross multiply
5,398,324.19x = 7,449,687.93 × 2,950,945.20 - Step 4: Simplify right side
5,398,324.19x = 21,983,620,823,776.71 - Step 5: Solve for x
x = 21,983,620,823,776.71/5,398,324.19 - Step 6: Final answer
x = 4,072,304.68
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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.