Finding the Fourth Proportional to 2,649,983.70, 3,656,046.17 and 1,732,749.75
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Solution
The fourth proportional to 2,649,983.70, 3,656,046.17 and 1,732,749.75 is: 2,390,585.68
Step by Step Solution
- Step 1: Write the proportion equation
2,649,983.70 : 3,656,046.17 = 1,732,749.75 : x - Step 2: Convert to fraction form
2,649,983.70/3,656,046.17 = 1,732,749.75/x - Step 3: Cross multiply
2,649,983.70x = 3,656,046.17 × 1,732,749.75 - Step 4: Simplify right side
2,649,983.70x = 6,335,013,081,105.20 - Step 5: Solve for x
x = 6,335,013,081,105.20/2,649,983.70 - Step 6: Final answer
x = 2,390,585.68
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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.