Finding the Fourth Proportional to 2,218,355.68, 3,058,556.88 and 1,851,360.68
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Solution
The fourth proportional to 2,218,355.68, 3,058,556.88 and 1,851,360.68 is: 2,552,562.69
Step by Step Solution
- Step 1: Write the proportion equation
2,218,355.68 : 3,058,556.88 = 1,851,360.68 : x - Step 2: Convert to fraction form
2,218,355.68/3,058,556.88 = 1,851,360.68/x - Step 3: Cross multiply
2,218,355.68x = 3,058,556.88 × 1,851,360.68 - Step 4: Simplify right side
2,218,355.68x = 5,662,491,945,175.48 - Step 5: Solve for x
x = 5,662,491,945,175.48/2,218,355.68 - Step 6: Final answer
x = 2,552,562.69
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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.