Finding the Fourth Proportional to 5,398,013.23, 7,449,052.53 and 2,950,603.49
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Solution
The fourth proportional to 5,398,013.23, 7,449,052.53 and 2,950,603.49 is: 4,071,720.36
Step by Step Solution
- Step 1: Write the proportion equation
5,398,013.23 : 7,449,052.53 = 2,950,603.49 : x - Step 2: Convert to fraction form
5,398,013.23/7,449,052.53 = 2,950,603.49/x - Step 3: Cross multiply
5,398,013.23x = 7,449,052.53 × 2,950,603.49 - Step 4: Simplify right side
5,398,013.23x = 21,979,200,392,211.33 - Step 5: Solve for x
x = 21,979,200,392,211.33/5,398,013.23 - Step 6: Final answer
x = 4,071,720.36
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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.