Finding the Fourth Proportional to 5,257,207.26, 7,255,310.40 and 2,934,551.70
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Solution
The fourth proportional to 5,257,207.26, 7,255,310.40 and 2,934,551.70 is: 4,049,884.74
Step by Step Solution
- Step 1: Write the proportion equation
5,257,207.26 : 7,255,310.40 = 2,934,551.70 : x - Step 2: Convert to fraction form
5,257,207.26/7,255,310.40 = 2,934,551.70/x - Step 3: Cross multiply
5,257,207.26x = 7,255,310.40 × 2,934,551.70 - Step 4: Simplify right side
5,257,207.26x = 21,291,083,468,347.68 - Step 5: Solve for x
x = 21,291,083,468,347.68/5,257,207.26 - Step 6: Final answer
x = 4,049,884.74
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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.