Finding the Fourth Proportional to 3,096,431.15, 4,272,929.62 and 1,719,864.09
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Solution
The fourth proportional to 3,096,431.15, 4,272,929.62 and 1,719,864.09 is: 2,373,331.70
Step by Step Solution
- Step 1: Write the proportion equation
3,096,431.15 : 4,272,929.62 = 1,719,864.09 : x - Step 2: Convert to fraction form
3,096,431.15/4,272,929.62 = 1,719,864.09/x - Step 3: Cross multiply
3,096,431.15x = 4,272,929.62 × 1,719,864.09 - Step 4: Simplify right side
3,096,431.15x = 7,348,858,208,235.69 - Step 5: Solve for x
x = 7,348,858,208,235.69/3,096,431.15 - Step 6: Final answer
x = 2,373,331.70
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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.