Finding the Fourth Proportional to 4,311,714.79, 6,454,119.60 and 3,175,759.66
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Solution
The fourth proportional to 4,311,714.79, 6,454,119.60 and 3,175,759.66 is: 4,753,731.09
Step by Step Solution
- Step 1: Write the proportion equation
4,311,714.79 : 6,454,119.60 = 3,175,759.66 : x - Step 2: Convert to fraction form
4,311,714.79/6,454,119.60 = 3,175,759.66/x - Step 3: Cross multiply
4,311,714.79x = 6,454,119.60 × 3,175,759.66 - Step 4: Simplify right side
4,311,714.79x = 20,496,732,666,495.34 - Step 5: Solve for x
x = 20,496,732,666,495.34/4,311,714.79 - Step 6: Final answer
x = 4,753,731.09
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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.