Finding the Fourth Proportional to 3,230,753.40, 4,458,457.24 and 1,853,987.50
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Solution
The fourth proportional to 3,230,753.40, 4,458,457.24 and 1,853,987.50 is: 2,558,512.82
Step by Step Solution
- Step 1: Write the proportion equation
3,230,753.40 : 4,458,457.24 = 1,853,987.50 : x - Step 2: Convert to fraction form
3,230,753.40/4,458,457.24 = 1,853,987.50/x - Step 3: Cross multiply
3,230,753.40x = 4,458,457.24 × 1,853,987.50 - Step 4: Simplify right side
3,230,753.40x = 8,265,923,992,244.50 - Step 5: Solve for x
x = 8,265,923,992,244.50/3,230,753.40 - Step 6: Final answer
x = 2,558,512.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.