Finding the Fourth Proportional to 3,829,207.20, 5,284,305.96 and 2,110,327.74
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Solution
The fourth proportional to 3,829,207.20, 5,284,305.96 and 2,110,327.74 is: 2,912,252.29
Step by Step Solution
- Step 1: Write the proportion equation
3,829,207.20 : 5,284,305.96 = 2,110,327.74 : x - Step 2: Convert to fraction form
3,829,207.20/5,284,305.96 = 2,110,327.74/x - Step 3: Cross multiply
3,829,207.20x = 5,284,305.96 × 2,110,327.74 - Step 4: Simplify right side
3,829,207.20x = 11,151,617,454,035.33 - Step 5: Solve for x
x = 11,151,617,454,035.33/3,829,207.20 - Step 6: Final answer
x = 2,912,252.29
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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.