Finding the Fourth Proportional to 4,115,006.12, 6,147,481.10 and 2,663,867.71
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Solution
The fourth proportional to 4,115,006.12, 6,147,481.10 and 2,663,867.71 is: 3,979,599.52
Step by Step Solution
- Step 1: Write the proportion equation
4,115,006.12 : 6,147,481.10 = 2,663,867.71 : x - Step 2: Convert to fraction form
4,115,006.12/6,147,481.10 = 2,663,867.71/x - Step 3: Cross multiply
4,115,006.12x = 6,147,481.10 × 2,663,867.71 - Step 4: Simplify right side
4,115,006.12x = 16,376,076,400,125.28 - Step 5: Solve for x
x = 16,376,076,400,125.28/4,115,006.12 - Step 6: Final answer
x = 3,979,599.52
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.