Finding the Fourth Proportional to 5,640,326.24, 8,459,614.56 and 1,853,783.60
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Solution
The fourth proportional to 5,640,326.24, 8,459,614.56 and 1,853,783.60 is: 2,780,387.88
Step by Step Solution
- Step 1: Write the proportion equation
5,640,326.24 : 8,459,614.56 = 1,853,783.60 : x - Step 2: Convert to fraction form
5,640,326.24/8,459,614.56 = 1,853,783.60/x - Step 3: Cross multiply
5,640,326.24x = 8,459,614.56 × 1,853,783.60 - Step 4: Simplify right side
5,640,326.24x = 15,682,294,733,649.22 - Step 5: Solve for x
x = 15,682,294,733,649.22/5,640,326.24 - Step 6: Final answer
x = 2,780,387.88
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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.