Finding the Fourth Proportional to 1,709,608.80, 2,564,413.20 and 712,207.20
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Solution
The fourth proportional to 1,709,608.80, 2,564,413.20 and 712,207.20 is: 1,068,310.80
Step by Step Solution
- Step 1: Write the proportion equation
1,709,608.80 : 2,564,413.20 = 712,207.20 : x - Step 2: Convert to fraction form
1,709,608.80/2,564,413.20 = 712,207.20/x - Step 3: Cross multiply
1,709,608.80x = 2,564,413.20 × 712,207.20 - Step 4: Simplify right side
1,709,608.80x = 1,826,393,544,815.04 - Step 5: Solve for x
x = 1,826,393,544,815.04/1,709,608.80 - Step 6: Final answer
x = 1,068,310.80
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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.