Finding the Fourth Proportional to 1,477,431.05, 2,216,214.41 and 452,687.90
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Solution
The fourth proportional to 1,477,431.05, 2,216,214.41 and 452,687.90 is: 679,052.63
Step by Step Solution
- Step 1: Write the proportion equation
1,477,431.05 : 2,216,214.41 = 452,687.90 : x - Step 2: Convert to fraction form
1,477,431.05/2,216,214.41 = 452,687.90/x - Step 3: Cross multiply
1,477,431.05x = 2,216,214.41 × 452,687.90 - Step 4: Simplify right side
1,477,431.05x = 1,003,253,433,868.13 - Step 5: Solve for x
x = 1,003,253,433,868.13/1,477,431.05 - Step 6: Final answer
x = 679,052.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.