Finding the Fourth Proportional to 2,579,980.53, 3,560,375.40 and 1,418,446.53
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Solution
The fourth proportional to 2,579,980.53, 3,560,375.40 and 1,418,446.53 is: 1,957,457.46
Step by Step Solution
- Step 1: Write the proportion equation
2,579,980.53 : 3,560,375.40 = 1,418,446.53 : x - Step 2: Convert to fraction form
2,579,980.53/3,560,375.40 = 1,418,446.53/x - Step 3: Cross multiply
2,579,980.53x = 3,560,375.40 × 1,418,446.53 - Step 4: Simplify right side
2,579,980.53x = 5,050,202,131,627.36 - Step 5: Solve for x
x = 5,050,202,131,627.36/2,579,980.53 - Step 6: Final answer
x = 1,957,457.46
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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.