Finding the Fourth Proportional to 1,944,135.70, 2,916,203.55 and 1,471,743.70
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Solution
The fourth proportional to 1,944,135.70, 2,916,203.55 and 1,471,743.70 is: 2,207,615.55
Step by Step Solution
- Step 1: Write the proportion equation
1,944,135.70 : 2,916,203.55 = 1,471,743.70 : x - Step 2: Convert to fraction form
1,944,135.70/2,916,203.55 = 1,471,743.70/x - Step 3: Cross multiply
1,944,135.70x = 2,916,203.55 × 1,471,743.70 - Step 4: Simplify right side
1,944,135.70x = 4,291,904,202,630.14 - Step 5: Solve for x
x = 4,291,904,202,630.14/1,944,135.70 - Step 6: Final answer
x = 2,207,615.55
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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.