Finding the Fourth Proportional to 3,195,119.09, 4,409,822.58 and 1,888,315.31
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Solution
The fourth proportional to 3,195,119.09, 4,409,822.58 and 1,888,315.31 is: 2,606,205.05
Step by Step Solution
- Step 1: Write the proportion equation
3,195,119.09 : 4,409,822.58 = 1,888,315.31 : x - Step 2: Convert to fraction form
3,195,119.09/4,409,822.58 = 1,888,315.31/x - Step 3: Cross multiply
3,195,119.09x = 4,409,822.58 × 1,888,315.31 - Step 4: Simplify right side
3,195,119.09x = 8,327,135,492,197.70 - Step 5: Solve for x
x = 8,327,135,492,197.70/3,195,119.09 - Step 6: Final answer
x = 2,606,205.05
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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.