Finding the Fourth Proportional to 5,511,432.84, 8,267,335.76 and 1,917,230.84
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Solution
The fourth proportional to 5,511,432.84, 8,267,335.76 and 1,917,230.84 is: 2,875,911.14
Step by Step Solution
- Step 1: Write the proportion equation
5,511,432.84 : 8,267,335.76 = 1,917,230.84 : x - Step 2: Convert to fraction form
5,511,432.84/8,267,335.76 = 1,917,230.84/x - Step 3: Cross multiply
5,511,432.84x = 8,267,335.76 × 1,917,230.84 - Step 4: Simplify right side
5,511,432.84x = 15,850,391,083,706.84 - Step 5: Solve for x
x = 15,850,391,083,706.84/5,511,432.84 - Step 6: Final answer
x = 2,875,911.14
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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.