Finding the Fourth Proportional to 4,384,117.20, 6,576,175.80 and 3,321,235.20
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Solution
The fourth proportional to 4,384,117.20, 6,576,175.80 and 3,321,235.20 is: 4,981,852.80
Step by Step Solution
- Step 1: Write the proportion equation
4,384,117.20 : 6,576,175.80 = 3,321,235.20 : x - Step 2: Convert to fraction form
4,384,117.20/6,576,175.80 = 3,321,235.20/x - Step 3: Cross multiply
4,384,117.20x = 6,576,175.80 × 3,321,235.20 - Step 4: Simplify right side
4,384,117.20x = 21,841,026,548,348.16 - Step 5: Solve for x
x = 21,841,026,548,348.16/4,384,117.20 - Step 6: Final answer
x = 4,981,852.80
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1.5x scale
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.