Finding the Fourth Proportional to 1,375,252.62, 1,897,879.68 and 771,640.62
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Solution
The fourth proportional to 1,375,252.62, 1,897,879.68 and 771,640.62 is: 1,064,881.49
Step by Step Solution
- Step 1: Write the proportion equation
1,375,252.62 : 1,897,879.68 = 771,640.62 : x - Step 2: Convert to fraction form
1,375,252.62/1,897,879.68 = 771,640.62/x - Step 3: Cross multiply
1,375,252.62x = 1,897,879.68 × 771,640.62 - Step 4: Simplify right side
1,375,252.62x = 1,464,481,052,960.60 - Step 5: Solve for x
x = 1,464,481,052,960.60/1,375,252.62 - Step 6: Final answer
x = 1,064,881.49
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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.