Finding the Fourth Proportional to 4,305,072.16, 5,940,780.12 and 2,371,291.12
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Solution
The fourth proportional to 4,305,072.16, 5,940,780.12 and 2,371,291.12 is: 3,272,260.86
Step by Step Solution
- Step 1: Write the proportion equation
4,305,072.16 : 5,940,780.12 = 2,371,291.12 : x - Step 2: Convert to fraction form
4,305,072.16/5,940,780.12 = 2,371,291.12/x - Step 3: Cross multiply
4,305,072.16x = 5,940,780.12 × 2,371,291.12 - Step 4: Simplify right side
4,305,072.16x = 14,087,319,144,428.54 - Step 5: Solve for x
x = 14,087,319,144,428.54/4,305,072.16 - Step 6: Final answer
x = 3,272,260.86
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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.