Finding the Fourth Proportional to 3,798,486.56, 5,242,649.19 and 2,879,112.08
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Solution
The fourth proportional to 3,798,486.56, 5,242,649.19 and 2,879,112.08 is: 3,973,733.85
Step by Step Solution
- Step 1: Write the proportion equation
3,798,486.56 : 5,242,649.19 = 2,879,112.08 : x - Step 2: Convert to fraction form
3,798,486.56/5,242,649.19 = 2,879,112.08/x - Step 3: Cross multiply
3,798,486.56x = 5,242,649.19 × 2,879,112.08 - Step 4: Simplify right side
3,798,486.56x = 15,094,174,614,131.22 - Step 5: Solve for x
x = 15,094,174,614,131.22/3,798,486.56 - Step 6: Final answer
x = 3,973,733.85
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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.