Finding the Fourth Proportional to 5,546,988.88, 8,320,901.28 and 1,656,138.04
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Solution
The fourth proportional to 5,546,988.88, 8,320,901.28 and 1,656,138.04 is: 2,484,331.85
Step by Step Solution
- Step 1: Write the proportion equation
5,546,988.88 : 8,320,901.28 = 1,656,138.04 : x - Step 2: Convert to fraction form
5,546,988.88/8,320,901.28 = 1,656,138.04/x - Step 3: Cross multiply
5,546,988.88x = 8,320,901.28 × 1,656,138.04 - Step 4: Simplify right side
5,546,988.88x = 13,780,561,136,892.69 - Step 5: Solve for x
x = 13,780,561,136,892.69/5,546,988.88 - Step 6: Final answer
x = 2,484,331.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.