Finding the Fourth Proportional to 4,554,206.70, 6,831,310.05 and 1,188,413.70
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Solution
The fourth proportional to 4,554,206.70, 6,831,310.05 and 1,188,413.70 is: 1,782,620.55
Step by Step Solution
- Step 1: Write the proportion equation
4,554,206.70 : 6,831,310.05 = 1,188,413.70 : x - Step 2: Convert to fraction form
4,554,206.70/6,831,310.05 = 1,188,413.70/x - Step 3: Cross multiply
4,554,206.70x = 6,831,310.05 × 1,188,413.70 - Step 4: Simplify right side
4,554,206.70x = 8,118,422,452,367.69 - Step 5: Solve for x
x = 8,118,422,452,367.69/4,554,206.70 - Step 6: Final answer
x = 1,782,620.55
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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.