Finding the Fourth Proportional to 3,278,360.76, 4,917,541.12 and 1,480,253.08
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Solution
The fourth proportional to 3,278,360.76, 4,917,541.12 and 1,480,253.08 is: 2,220,379.61
Step by Step Solution
- Step 1: Write the proportion equation
3,278,360.76 : 4,917,541.12 = 1,480,253.08 : x - Step 2: Convert to fraction form
3,278,360.76/4,917,541.12 = 1,480,253.08/x - Step 3: Cross multiply
3,278,360.76x = 4,917,541.12 × 1,480,253.08 - Step 4: Simplify right side
3,278,360.76x = 7,279,205,388,906.65 - Step 5: Solve for x
x = 7,279,205,388,906.65/3,278,360.76 - Step 6: Final answer
x = 2,220,379.61
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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.