Finding the Fourth Proportional to 4,115,004.83, 6,147,479.21 and 2,663,866.42
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Solution
The fourth proportional to 4,115,004.83, 6,147,479.21 and 2,663,866.42 is: 3,979,597.62
Step by Step Solution
- Step 1: Write the proportion equation
4,115,004.83 : 6,147,479.21 = 2,663,866.42 : x - Step 2: Convert to fraction form
4,115,004.83/6,147,479.21 = 2,663,866.42/x - Step 3: Cross multiply
4,115,004.83x = 6,147,479.21 × 2,663,866.42 - Step 4: Simplify right side
4,115,004.83x = 16,376,063,435,167.13 - Step 5: Solve for x
x = 16,376,063,435,167.13/4,115,004.83 - Step 6: Final answer
x = 3,979,597.62
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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.