Finding the Fourth Proportional to 5,722,474.77, 7,895,062.09 and 3,546,223.88
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Solution
The fourth proportional to 5,722,474.77, 7,895,062.09 and 3,546,223.88 is: 4,892,578.62
Step by Step Solution
- Step 1: Write the proportion equation
5,722,474.77 : 7,895,062.09 = 3,546,223.88 : x - Step 2: Convert to fraction form
5,722,474.77/7,895,062.09 = 3,546,223.88/x - Step 3: Cross multiply
5,722,474.77x = 7,895,062.09 × 3,546,223.88 - Step 4: Simplify right side
5,722,474.77x = 27,997,657,710,919.88 - Step 5: Solve for x
x = 27,997,657,710,919.88/5,722,474.77 - Step 6: Final answer
x = 4,892,578.62
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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.