Finding the Fourth Proportional to 6,464,631.16, 8,920,922.14 and 3,524,384.62
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Solution
The fourth proportional to 6,464,631.16, 8,920,922.14 and 3,524,384.62 is: 4,863,504.20
Step by Step Solution
- Step 1: Write the proportion equation
6,464,631.16 : 8,920,922.14 = 3,524,384.62 : x - Step 2: Convert to fraction form
6,464,631.16/8,920,922.14 = 3,524,384.62/x - Step 3: Cross multiply
6,464,631.16x = 8,920,922.14 × 3,524,384.62 - Step 4: Simplify right side
6,464,631.16x = 31,440,760,801,990.12 - Step 5: Solve for x
x = 31,440,760,801,990.12/6,464,631.16 - Step 6: Final answer
x = 4,863,504.20
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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.