Finding the Fourth Proportional to 5,122,546.41, 7,069,135.92 and 2,799,485.13
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Solution
The fourth proportional to 5,122,546.41, 7,069,135.92 and 2,799,485.13 is: 3,863,301.43
Step by Step Solution
- Step 1: Write the proportion equation
5,122,546.41 : 7,069,135.92 = 2,799,485.13 : x - Step 2: Convert to fraction form
5,122,546.41/7,069,135.92 = 2,799,485.13/x - Step 3: Cross multiply
5,122,546.41x = 7,069,135.92 × 2,799,485.13 - Step 4: Simplify right side
5,122,546.41x = 19,789,940,889,988.87 - Step 5: Solve for x
x = 19,789,940,889,988.87/5,122,546.41 - Step 6: Final answer
x = 3,863,301.43
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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.