Finding the Fourth Proportional to 2,979,609.20, 4,469,413.80 and 735,747.20
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Solution
The fourth proportional to 2,979,609.20, 4,469,413.80 and 735,747.20 is: 1,103,620.80
Step by Step Solution
- Step 1: Write the proportion equation
2,979,609.20 : 4,469,413.80 = 735,747.20 : x - Step 2: Convert to fraction form
2,979,609.20/4,469,413.80 = 735,747.20/x - Step 3: Cross multiply
2,979,609.20x = 4,469,413.80 × 735,747.20 - Step 4: Simplify right side
2,979,609.20x = 3,288,358,688,991.36 - Step 5: Solve for x
x = 3,288,358,688,991.36/2,979,609.20 - Step 6: Final answer
x = 1,103,620.80
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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.