Finding the Fourth Proportional to 4,547,404.80, 6,821,107.20 and 3,936,247.65
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Solution
The fourth proportional to 4,547,404.80, 6,821,107.20 and 3,936,247.65 is: 5,904,371.48
Step by Step Solution
- Step 1: Write the proportion equation
4,547,404.80 : 6,821,107.20 = 3,936,247.65 : x - Step 2: Convert to fraction form
4,547,404.80/6,821,107.20 = 3,936,247.65/x - Step 3: Cross multiply
4,547,404.80x = 6,821,107.20 × 3,936,247.65 - Step 4: Simplify right side
4,547,404.80x = 26,849,567,186,398.08 - Step 5: Solve for x
x = 26,849,567,186,398.08/4,547,404.80 - Step 6: Final answer
x = 5,904,371.48
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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.