Finding the Fourth Proportional to 2,088,348.80, 3,125,524.80 and 1,836,406.40
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Solution
The fourth proportional to 2,088,348.80, 3,125,524.80 and 1,836,406.40 is: 2,748,455.50
Step by Step Solution
- Step 1: Write the proportion equation
2,088,348.80 : 3,125,524.80 = 1,836,406.40 : x - Step 2: Convert to fraction form
2,088,348.80/3,125,524.80 = 1,836,406.40/x - Step 3: Cross multiply
2,088,348.80x = 3,125,524.80 × 1,836,406.40 - Step 4: Simplify right side
2,088,348.80x = 5,739,733,746,078.72 - Step 5: Solve for x
x = 5,739,733,746,078.72/2,088,348.80 - Step 6: Final answer
x = 2,748,455.50
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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.