Finding the Fourth Proportional to 3,778,378.17, 5,214,213.69 and 2,059,494.99
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Solution
The fourth proportional to 3,778,378.17, 5,214,213.69 and 2,059,494.99 is: 2,842,131.33
Step by Step Solution
- Step 1: Write the proportion equation
3,778,378.17 : 5,214,213.69 = 2,059,494.99 : x - Step 2: Convert to fraction form
3,778,378.17/5,214,213.69 = 2,059,494.99/x - Step 3: Cross multiply
3,778,378.17x = 5,214,213.69 × 2,059,494.99 - Step 4: Simplify right side
3,778,378.17x = 10,738,646,961,046.94 - Step 5: Solve for x
x = 10,738,646,961,046.94/3,778,378.17 - Step 6: Final answer
x = 2,842,131.33
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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.