Finding the Fourth Proportional to 2,331,971.20, 3,489,662.40 and 1,618,652.80
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Solution
The fourth proportional to 2,331,971.20, 3,489,662.40 and 1,618,652.80 is: 2,422,221.94
Step by Step Solution
- Step 1: Write the proportion equation
2,331,971.20 : 3,489,662.40 = 1,618,652.80 : x - Step 2: Convert to fraction form
2,331,971.20/3,489,662.40 = 1,618,652.80/x - Step 3: Cross multiply
2,331,971.20x = 3,489,662.40 × 1,618,652.80 - Step 4: Simplify right side
2,331,971.20x = 5,648,551,814,814.72 - Step 5: Solve for x
x = 5,648,551,814,814.72/2,331,971.20 - Step 6: Final answer
x = 2,422,221.94
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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.