Finding the Fourth Proportional to 4,222,578.08, 5,827,232.40 and 2,288,902.88
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Solution
The fourth proportional to 4,222,578.08, 5,827,232.40 and 2,288,902.88 is: 3,158,726.44
Step by Step Solution
- Step 1: Write the proportion equation
4,222,578.08 : 5,827,232.40 = 2,288,902.88 : x - Step 2: Convert to fraction form
4,222,578.08/5,827,232.40 = 2,288,902.88/x - Step 3: Cross multiply
4,222,578.08x = 5,827,232.40 × 2,288,902.88 - Step 4: Simplify right side
4,222,578.08x = 13,337,969,022,789.31 - Step 5: Solve for x
x = 13,337,969,022,789.31/4,222,578.08 - Step 6: Final answer
x = 3,158,726.44
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1.5x scale
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.