Finding the Fourth Proportional to 1,651,996.92, 2,279,893.17 and 917,020.38
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Solution
The fourth proportional to 1,651,996.92, 2,279,893.17 and 917,020.38 is: 1,265,564.40
Step by Step Solution
- Step 1: Write the proportion equation
1,651,996.92 : 2,279,893.17 = 917,020.38 : x - Step 2: Convert to fraction form
1,651,996.92/2,279,893.17 = 917,020.38/x - Step 3: Cross multiply
1,651,996.92x = 2,279,893.17 × 917,020.38 - Step 4: Simplify right side
1,651,996.92x = 2,090,708,490,622.98 - Step 5: Solve for x
x = 2,090,708,490,622.98/1,651,996.92 - Step 6: Final answer
x = 1,265,564.40
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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.