Finding the Fourth Proportional to 4,153,413.20, 6,230,119.80 and 2,550,779.60
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Solution
The fourth proportional to 4,153,413.20, 6,230,119.80 and 2,550,779.60 is: 3,826,169.40
Step by Step Solution
- Step 1: Write the proportion equation
4,153,413.20 : 6,230,119.80 = 2,550,779.60 : x - Step 2: Convert to fraction form
4,153,413.20/6,230,119.80 = 2,550,779.60/x - Step 3: Cross multiply
4,153,413.20x = 6,230,119.80 × 2,550,779.60 - Step 4: Simplify right side
4,153,413.20x = 15,891,662,491,396.08 - Step 5: Solve for x
x = 15,891,662,491,396.08/4,153,413.20 - Step 6: Final answer
x = 3,826,169.40
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1.5x scale
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.