Finding the Fourth Proportional to 5,199,486.16, 7,175,156.16 and 2,876,464.48
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Solution
The fourth proportional to 5,199,486.16, 7,175,156.16 and 2,876,464.48 is: 3,969,446.44
Step by Step Solution
- Step 1: Write the proportion equation
5,199,486.16 : 7,175,156.16 = 2,876,464.48 : x - Step 2: Convert to fraction form
5,199,486.16/7,175,156.16 = 2,876,464.48/x - Step 3: Cross multiply
5,199,486.16x = 7,175,156.16 × 2,876,464.48 - Step 4: Simplify right side
5,199,486.16x = 20,639,081,832,693.20 - Step 5: Solve for x
x = 20,639,081,832,693.20/5,199,486.16 - Step 6: Final answer
x = 3,969,446.44
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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.