Finding the Fourth Proportional to 2,478,640.54, 3,420,551.50 and 1,376,147.08
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Solution
The fourth proportional to 2,478,640.54, 3,420,551.50 and 1,376,147.08 is: 1,899,098.27
Step by Step Solution
- Step 1: Write the proportion equation
2,478,640.54 : 3,420,551.50 = 1,376,147.08 : x - Step 2: Convert to fraction form
2,478,640.54/3,420,551.50 = 1,376,147.08/x - Step 3: Cross multiply
2,478,640.54x = 3,420,551.50 × 1,376,147.08 - Step 4: Simplify right side
2,478,640.54x = 4,707,181,958,714.62 - Step 5: Solve for x
x = 4,707,181,958,714.62/2,478,640.54 - Step 6: Final answer
x = 1,899,098.27
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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.