Finding the Fourth Proportional to 3,195,118.09, 4,409,821.20 and 1,888,314.31
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Solution
The fourth proportional to 3,195,118.09, 4,409,821.20 and 1,888,314.31 is: 2,606,203.67
Step by Step Solution
- Step 1: Write the proportion equation
3,195,118.09 : 4,409,821.20 = 1,888,314.31 : x - Step 2: Convert to fraction form
3,195,118.09/4,409,821.20 = 1,888,314.31/x - Step 3: Cross multiply
3,195,118.09x = 4,409,821.20 × 1,888,314.31 - Step 4: Simplify right side
3,195,118.09x = 8,327,128,476,501.37 - Step 5: Solve for x
x = 8,327,128,476,501.37/3,195,118.09 - Step 6: Final answer
x = 2,606,203.67
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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.