Finding the Fourth Proportional to 2,368,757.80, 3,553,136.70 and 1,612,930.60
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Solution
The fourth proportional to 2,368,757.80, 3,553,136.70 and 1,612,930.60 is: 2,419,395.90
Step by Step Solution
- Step 1: Write the proportion equation
2,368,757.80 : 3,553,136.70 = 1,612,930.60 : x - Step 2: Convert to fraction form
2,368,757.80/3,553,136.70 = 1,612,930.60/x - Step 3: Cross multiply
2,368,757.80x = 3,553,136.70 × 1,612,930.60 - Step 4: Simplify right side
2,368,757.80x = 5,730,962,909,413.02 - Step 5: Solve for x
x = 5,730,962,909,413.02/2,368,757.80 - Step 6: Final answer
x = 2,419,395.90
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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.