Finding the Fourth Proportional to 3,256,948.80, 4,885,423.20 and 2,957,767.20
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Solution
The fourth proportional to 3,256,948.80, 4,885,423.20 and 2,957,767.20 is: 4,436,650.80
Step by Step Solution
- Step 1: Write the proportion equation
3,256,948.80 : 4,885,423.20 = 2,957,767.20 : x - Step 2: Convert to fraction form
3,256,948.80/4,885,423.20 = 2,957,767.20/x - Step 3: Cross multiply
3,256,948.80x = 4,885,423.20 × 2,957,767.20 - Step 4: Simplify right side
3,256,948.80x = 14,449,944,499,079.04 - Step 5: Solve for x
x = 14,449,944,499,079.04/3,256,948.80 - Step 6: Final answer
x = 4,436,650.80
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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.