Finding the Fourth Proportional to 5,280,654.12, 7,293,246.66 and 3,568,845.48
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Solution
The fourth proportional to 5,280,654.12, 7,293,246.66 and 3,568,845.48 is: 4,929,023.90
Step by Step Solution
- Step 1: Write the proportion equation
5,280,654.12 : 7,293,246.66 = 3,568,845.48 : x - Step 2: Convert to fraction form
5,280,654.12/7,293,246.66 = 3,568,845.48/x - Step 3: Cross multiply
5,280,654.12x = 7,293,246.66 × 3,568,845.48 - Step 4: Simplify right side
5,280,654.12x = 26,028,470,377,066.10 - Step 5: Solve for x
x = 26,028,470,377,066.10/5,280,654.12 - Step 6: Final answer
x = 4,929,023.90
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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.