Finding the Fourth Proportional to 6,143,296.88, 8,479,435.88 and 3,565,808.08
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Solution
The fourth proportional to 6,143,296.88, 8,479,435.88 and 3,565,808.08 is: 4,921,793.88
Step by Step Solution
- Step 1: Write the proportion equation
6,143,296.88 : 8,479,435.88 = 3,565,808.08 : x - Step 2: Convert to fraction form
6,143,296.88/8,479,435.88 = 3,565,808.08/x - Step 3: Cross multiply
6,143,296.88x = 8,479,435.88 × 3,565,808.08 - Step 4: Simplify right side
6,143,296.88x = 30,236,040,974,745.91 - Step 5: Solve for x
x = 30,236,040,974,745.91/6,143,296.88 - Step 6: Final answer
x = 4,921,793.88
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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.