Finding the Fourth Proportional to 2,948,697.75, 4,067,642.22 and 2,029,330.80
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Solution
The fourth proportional to 2,948,697.75, 4,067,642.22 and 2,029,330.80 is: 2,799,402.43
Step by Step Solution
- Step 1: Write the proportion equation
2,948,697.75 : 4,067,642.22 = 2,029,330.80 : x - Step 2: Convert to fraction form
2,948,697.75/4,067,642.22 = 2,029,330.80/x - Step 3: Cross multiply
2,948,697.75x = 4,067,642.22 × 2,029,330.80 - Step 4: Simplify right side
2,948,697.75x = 8,254,591,640,426.38 - Step 5: Solve for x
x = 8,254,591,640,426.38/2,948,697.75 - Step 6: Final answer
x = 2,799,402.43
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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.