Finding the Fourth Proportional to 1,612,413.20, 2,418,969.71 and 490,453.04
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Solution
The fourth proportional to 1,612,413.20, 2,418,969.71 and 490,453.04 is: 735,785.99
Step by Step Solution
- Step 1: Write the proportion equation
1,612,413.20 : 2,418,969.71 = 490,453.04 : x - Step 2: Convert to fraction form
1,612,413.20/2,418,969.71 = 490,453.04/x - Step 3: Cross multiply
1,612,413.20x = 2,418,969.71 × 490,453.04 - Step 4: Simplify right side
1,612,413.20x = 1,186,391,033,390.30 - Step 5: Solve for x
x = 1,186,391,033,390.30/1,612,413.20 - Step 6: Final answer
x = 735,785.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.