Finding the Fourth Proportional to 3,282,473.31, 4,532,212.62 and 2,121,606.42
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Solution
The fourth proportional to 3,282,473.31, 4,532,212.62 and 2,121,606.42 is: 2,929,367.73
Step by Step Solution
- Step 1: Write the proportion equation
3,282,473.31 : 4,532,212.62 = 2,121,606.42 : x - Step 2: Convert to fraction form
3,282,473.31/4,532,212.62 = 2,121,606.42/x - Step 3: Cross multiply
3,282,473.31x = 4,532,212.62 × 2,121,606.42 - Step 4: Simplify right side
3,282,473.31x = 9,615,571,391,397.02 - Step 5: Solve for x
x = 9,615,571,391,397.02/3,282,473.31 - Step 6: Final answer
x = 2,929,367.73
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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.