Finding the Fourth Proportional to 5,279,398.75, 7,285,570.28 and 2,864,950.75
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Solution
The fourth proportional to 5,279,398.75, 7,285,570.28 and 2,864,950.75 is: 3,953,632.04
Step by Step Solution
- Step 1: Write the proportion equation
5,279,398.75 : 7,285,570.28 = 2,864,950.75 : x - Step 2: Convert to fraction form
5,279,398.75/7,285,570.28 = 2,864,950.75/x - Step 3: Cross multiply
5,279,398.75x = 7,285,570.28 × 2,864,950.75 - Step 4: Simplify right side
5,279,398.75x = 20,872,800,037,863.71 - Step 5: Solve for x
x = 20,872,800,037,863.71/5,279,398.75 - Step 6: Final answer
x = 3,953,632.04
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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.