Finding the Fourth Proportional to 4,491,449.82, 6,734,714.37 and 2,211,961.59
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Solution
The fourth proportional to 4,491,449.82, 6,734,714.37 and 2,211,961.59 is: 3,316,730.70
Step by Step Solution
- Step 1: Write the proportion equation
4,491,449.82 : 6,734,714.37 = 2,211,961.59 : x - Step 2: Convert to fraction form
4,491,449.82/6,734,714.37 = 2,211,961.59/x - Step 3: Cross multiply
4,491,449.82x = 6,734,714.37 × 2,211,961.59 - Step 4: Simplify right side
4,491,449.82x = 14,896,929,506,061.05 - Step 5: Solve for x
x = 14,896,929,506,061.05/4,491,449.82 - Step 6: Final answer
x = 3,316,730.70
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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.