Finding the Fourth Proportional to 1,755,814.56, 2,423,220.74 and 991,917.32
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Solution
The fourth proportional to 1,755,814.56, 2,423,220.74 and 991,917.32 is: 1,368,956.99
Step by Step Solution
- Step 1: Write the proportion equation
1,755,814.56 : 2,423,220.74 = 991,917.32 : x - Step 2: Convert to fraction form
1,755,814.56/2,423,220.74 = 991,917.32/x - Step 3: Cross multiply
1,755,814.56x = 2,423,220.74 × 991,917.32 - Step 4: Simplify right side
1,755,814.56x = 2,403,634,622,189.22 - Step 5: Solve for x
x = 2,403,634,622,189.22/1,755,814.56 - Step 6: Final answer
x = 1,368,956.99
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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.