Finding the Fourth Proportional to 3,894,147.49, 5,373,923.30 and 2,175,268
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Solution
The fourth proportional to 3,894,147.49, 5,373,923.30 and 2,175,268 is: 3,001,869.71
Step by Step Solution
- Step 1: Write the proportion equation
3,894,147.49 : 5,373,923.30 = 2,175,268 : x - Step 2: Convert to fraction form
3,894,147.49/5,373,923.30 = 2,175,268/x - Step 3: Cross multiply
3,894,147.49x = 5,373,923.30 × 2,175,268 - Step 4: Simplify right side
3,894,147.49x = 11,689,723,378,068.06 - Step 5: Solve for x
x = 11,689,723,378,068.06/3,894,147.49 - Step 6: Final answer
x = 3,001,869.71
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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.