Finding the Fourth Proportional to 3,195,121.08, 4,409,825.36 and 1,888,317.32
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Solution
The fourth proportional to 3,195,121.08, 4,409,825.36 and 1,888,317.32 is: 2,606,207.84
Step by Step Solution
- Step 1: Write the proportion equation
3,195,121.08 : 4,409,825.36 = 1,888,317.32 : x - Step 2: Convert to fraction form
3,195,121.08/4,409,825.36 = 1,888,317.32/x - Step 3: Cross multiply
3,195,121.08x = 4,409,825.36 × 1,888,317.32 - Step 4: Simplify right side
3,195,121.08x = 8,327,149,605,463.24 - Step 5: Solve for x
x = 8,327,149,605,463.24/3,195,121.08 - Step 6: Final answer
x = 2,606,207.84
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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.