Finding the Fourth Proportional to 3,376,234.90, 4,658,459.34 and 1,998,894.70
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Solution
The fourth proportional to 3,376,234.90, 4,658,459.34 and 1,998,894.70 is: 2,758,033.72
Step by Step Solution
- Step 1: Write the proportion equation
3,376,234.90 : 4,658,459.34 = 1,998,894.70 : x - Step 2: Convert to fraction form
3,376,234.90/4,658,459.34 = 1,998,894.70/x - Step 3: Cross multiply
3,376,234.90x = 4,658,459.34 × 1,998,894.70 - Step 4: Simplify right side
3,376,234.90x = 9,311,769,684,891.50 - Step 5: Solve for x
x = 9,311,769,684,891.50/3,376,234.90 - Step 6: Final answer
x = 2,758,033.72
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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.