Finding the Fourth Proportional to 1,425,737.99, 1,966,858.91 and 1,262,560.79
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Solution
The fourth proportional to 1,425,737.99, 1,966,858.91 and 1,262,560.79 is: 1,741,749.86
Step by Step Solution
- Step 1: Write the proportion equation
1,425,737.99 : 1,966,858.91 = 1,262,560.79 : x - Step 2: Convert to fraction form
1,425,737.99/1,966,858.91 = 1,262,560.79/x - Step 3: Cross multiply
1,425,737.99x = 1,966,858.91 × 1,262,560.79 - Step 4: Simplify right side
1,425,737.99x = 2,483,278,942,567.09 - Step 5: Solve for x
x = 2,483,278,942,567.09/1,425,737.99 - Step 6: Final answer
x = 1,741,749.86
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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.