Finding the Fourth Proportional to 1,657,687.64, 2,286,375.83 and 1,463,753.19
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Solution
The fourth proportional to 1,657,687.64, 2,286,375.83 and 1,463,753.19 is: 2,018,890.56
Step by Step Solution
- Step 1: Write the proportion equation
1,657,687.64 : 2,286,375.83 = 1,463,753.19 : x - Step 2: Convert to fraction form
1,657,687.64/2,286,375.83 = 1,463,753.19/x - Step 3: Cross multiply
1,657,687.64x = 2,286,375.83 × 1,463,753.19 - Step 4: Simplify right side
1,657,687.64x = 3,346,689,918,360.78 - Step 5: Solve for x
x = 3,346,689,918,360.78/1,657,687.64 - Step 6: Final answer
x = 2,018,890.56
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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.