Finding the Fourth Proportional to 2,807,142.08, 4,207,782.53 and 2,036,778.62
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Solution
The fourth proportional to 2,807,142.08, 4,207,782.53 and 2,036,778.62 is: 3,053,041.58
Step by Step Solution
- Step 1: Write the proportion equation
2,807,142.08 : 4,207,782.53 = 2,036,778.62 : x - Step 2: Convert to fraction form
2,807,142.08/4,207,782.53 = 2,036,778.62/x - Step 3: Cross multiply
2,807,142.08x = 4,207,782.53 × 2,036,778.62 - Step 4: Simplify right side
2,807,142.08x = 8,570,321,478,766.54 - Step 5: Solve for x
x = 8,570,321,478,766.54/2,807,142.08 - Step 6: Final answer
x = 3,053,041.58
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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.