Finding the Fourth Proportional to 3,887,331.12, 5,832,680.78 and 2,088,115.40
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Solution
The fourth proportional to 3,887,331.12, 5,832,680.78 and 2,088,115.40 is: 3,133,077.73
Step by Step Solution
- Step 1: Write the proportion equation
3,887,331.12 : 5,832,680.78 = 2,088,115.40 : x - Step 2: Convert to fraction form
3,887,331.12/5,832,680.78 = 2,088,115.40/x - Step 3: Cross multiply
3,887,331.12x = 5,832,680.78 × 2,088,115.40 - Step 4: Simplify right side
3,887,331.12x = 12,179,310,560,002.01 - Step 5: Solve for x
x = 12,179,310,560,002.01/3,887,331.12 - Step 6: Final answer
x = 3,133,077.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.