Finding the Fourth Proportional to 2,660,672.18, 3,670,561.04 and 1,628,229.62
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Solution
The fourth proportional to 2,660,672.18, 3,670,561.04 and 1,628,229.62 is: 2,246,242.98
Step by Step Solution
- Step 1: Write the proportion equation
2,660,672.18 : 3,670,561.04 = 1,628,229.62 : x - Step 2: Convert to fraction form
2,660,672.18/3,670,561.04 = 1,628,229.62/x - Step 3: Cross multiply
2,660,672.18x = 3,670,561.04 × 1,628,229.62 - Step 4: Simplify right side
2,660,672.18x = 5,976,516,207,346.01 - Step 5: Solve for x
x = 5,976,516,207,346.01/2,660,672.18 - Step 6: Final answer
x = 2,246,242.98
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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.