Finding the Fourth Proportional to 1,811,037.70, 2,713,446.15 and 862,365.70
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Solution
The fourth proportional to 1,811,037.70, 2,713,446.15 and 862,365.70 is: 1,292,067.46
Step by Step Solution
- Step 1: Write the proportion equation
1,811,037.70 : 2,713,446.15 = 862,365.70 : x - Step 2: Convert to fraction form
1,811,037.70/2,713,446.15 = 862,365.70/x - Step 3: Cross multiply
1,811,037.70x = 2,713,446.15 × 862,365.70 - Step 4: Simplify right side
1,811,037.70x = 2,339,982,888,557.05 - Step 5: Solve for x
x = 2,339,982,888,557.05/1,811,037.70 - Step 6: Final answer
x = 1,292,067.46
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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.