Finding the Fourth Proportional to 1,578,259.96, 2,177,998.27 and 853,107.26
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Solution
The fourth proportional to 1,578,259.96, 2,177,998.27 and 853,107.26 is: 1,177,287.76
Step by Step Solution
- Step 1: Write the proportion equation
1,578,259.96 : 2,177,998.27 = 853,107.26 : x - Step 2: Convert to fraction form
1,578,259.96/2,177,998.27 = 853,107.26/x - Step 3: Cross multiply
1,578,259.96x = 2,177,998.27 × 853,107.26 - Step 4: Simplify right side
1,578,259.96x = 1,858,066,123,381.68 - Step 5: Solve for x
x = 1,858,066,123,381.68/1,578,259.96 - Step 6: Final answer
x = 1,177,287.76
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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.