Finding the Fourth Proportional to 1,702,778.18, 2,349,849.75 and 938,858.90
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Solution
The fourth proportional to 1,702,778.18, 2,349,849.75 and 938,858.90 is: 1,295,634.03
Step by Step Solution
- Step 1: Write the proportion equation
1,702,778.18 : 2,349,849.75 = 938,858.90 : x - Step 2: Convert to fraction form
1,702,778.18/2,349,849.75 = 938,858.90/x - Step 3: Cross multiply
1,702,778.18x = 2,349,849.75 × 938,858.90 - Step 4: Simplify right side
1,702,778.18x = 2,206,177,351,450.28 - Step 5: Solve for x
x = 2,206,177,351,450.28/1,702,778.18 - Step 6: Final answer
x = 1,295,634.03
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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.