Finding the Fourth Proportional to 6,143,324.62, 8,479,474.05 and 3,565,835.77
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Solution
The fourth proportional to 6,143,324.62, 8,479,474.05 and 3,565,835.77 is: 4,921,832.03
Step by Step Solution
- Step 1: Write the proportion equation
6,143,324.62 : 8,479,474.05 = 3,565,835.77 : x - Step 2: Convert to fraction form
6,143,324.62/8,479,474.05 = 3,565,835.77/x - Step 3: Cross multiply
6,143,324.62x = 8,479,474.05 × 3,565,835.77 - Step 4: Simplify right side
6,143,324.62x = 30,236,411,878,276.77 - Step 5: Solve for x
x = 30,236,411,878,276.77/6,143,324.62 - Step 6: Final answer
x = 4,921,832.03
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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.