Finding the Fourth Proportional to 5,532,686.98, 7,635,141.35 and 3,085,452.75
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Solution
The fourth proportional to 5,532,686.98, 7,635,141.35 and 3,085,452.75 is: 4,257,943.37
Step by Step Solution
- Step 1: Write the proportion equation
5,532,686.98 : 7,635,141.35 = 3,085,452.75 : x - Step 2: Convert to fraction form
5,532,686.98/7,635,141.35 = 3,085,452.75/x - Step 3: Cross multiply
5,532,686.98x = 7,635,141.35 × 3,085,452.75 - Step 4: Simplify right side
5,532,686.98x = 23,557,867,821,393.24 - Step 5: Solve for x
x = 23,557,867,821,393.24/5,532,686.98 - Step 6: Final answer
x = 4,257,943.37
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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.