Finding the Fourth Proportional to 3,826,562.11, 5,280,655.20 and 2,107,682.62
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Solution
The fourth proportional to 3,826,562.11, 5,280,655.20 and 2,107,682.62 is: 2,908,601.73
Step by Step Solution
- Step 1: Write the proportion equation
3,826,562.11 : 5,280,655.20 = 2,107,682.62 : x - Step 2: Convert to fraction form
3,826,562.11/5,280,655.20 = 2,107,682.62/x - Step 3: Cross multiply
3,826,562.11x = 5,280,655.20 × 2,107,682.62 - Step 4: Simplify right side
3,826,562.11x = 11,129,945,187,252.62 - Step 5: Solve for x
x = 11,129,945,187,252.62/3,826,562.11 - Step 6: Final answer
x = 2,908,601.73
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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.