Finding the Fourth Proportional to 1,613,651.63, 2,420,919.48 and 476,413.45
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Solution
The fourth proportional to 1,613,651.63, 2,420,919.48 and 476,413.45 is: 714,750.68
Step by Step Solution
- Step 1: Write the proportion equation
1,613,651.63 : 2,420,919.48 = 476,413.45 : x - Step 2: Convert to fraction form
1,613,651.63/2,420,919.48 = 476,413.45/x - Step 3: Cross multiply
1,613,651.63x = 2,420,919.48 × 476,413.45 - Step 4: Simplify right side
1,613,651.63x = 1,153,358,608,311.10 - Step 5: Solve for x
x = 1,153,358,608,311.10/1,613,651.63 - Step 6: Final answer
x = 714,750.68
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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.