Finding the Fourth Proportional to 1,462,813.11, 2,193,430.71 and 663,658.62
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Solution
The fourth proportional to 1,462,813.11, 2,193,430.71 and 663,658.62 is: 995,129.99
Step by Step Solution
- Step 1: Write the proportion equation
1,462,813.11 : 2,193,430.71 = 663,658.62 : x - Step 2: Convert to fraction form
1,462,813.11/2,193,430.71 = 663,658.62/x - Step 3: Cross multiply
1,462,813.11x = 2,193,430.71 × 663,658.62 - Step 4: Simplify right side
1,462,813.11x = 1,455,689,198,064.22 - Step 5: Solve for x
x = 1,455,689,198,064.22/1,462,813.11 - Step 6: Final answer
x = 995,129.99
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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.