Finding the Fourth Proportional to 1,755,771.19, 2,423,161.17 and 991,873.96
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Solution
The fourth proportional to 1,755,771.19, 2,423,161.17 and 991,873.96 is: 1,368,897.31
Step by Step Solution
- Step 1: Write the proportion equation
1,755,771.19 : 2,423,161.17 = 991,873.96 : x - Step 2: Convert to fraction form
1,755,771.19/2,423,161.17 = 991,873.96/x - Step 3: Cross multiply
1,755,771.19x = 2,423,161.17 × 991,873.96 - Step 4: Simplify right side
1,755,771.19x = 2,403,470,459,348.23 - Step 5: Solve for x
x = 2,403,470,459,348.23/1,755,771.19 - Step 6: Final answer
x = 1,368,897.31
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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.