Finding the Fourth Proportional to 4,451,648.08, 6,678,138.84 and 1,612,423.12
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Solution
The fourth proportional to 4,451,648.08, 6,678,138.84 and 1,612,423.12 is: 2,418,876.17
Step by Step Solution
- Step 1: Write the proportion equation
4,451,648.08 : 6,678,138.84 = 1,612,423.12 : x - Step 2: Convert to fraction form
4,451,648.08/6,678,138.84 = 1,612,423.12/x - Step 3: Cross multiply
4,451,648.08x = 6,678,138.84 × 1,612,423.12 - Step 4: Simplify right side
4,451,648.08x = 10,767,985,464,185.98 - Step 5: Solve for x
x = 10,767,985,464,185.98/4,451,648.08 - Step 6: Final answer
x = 2,418,876.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.