Finding the Fourth Proportional to 3,972,841.44, 5,482,141.84 and 2,230,111.84
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Solution
The fourth proportional to 3,972,841.44, 5,482,141.84 and 2,230,111.84 is: 3,077,341.40
Step by Step Solution
- Step 1: Write the proportion equation
3,972,841.44 : 5,482,141.84 = 2,230,111.84 : x - Step 2: Convert to fraction form
3,972,841.44/5,482,141.84 = 2,230,111.84/x - Step 3: Cross multiply
3,972,841.44x = 5,482,141.84 × 2,230,111.84 - Step 4: Simplify right side
3,972,841.44x = 12,225,789,425,943.38 - Step 5: Solve for x
x = 12,225,789,425,943.38/3,972,841.44 - Step 6: Final answer
x = 3,077,341.40
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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.