Finding the Fourth Proportional to 1,888,861.14, 2,606,409.09 and 1,153,445.94
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Solution
The fourth proportional to 1,888,861.14, 2,606,409.09 and 1,153,445.94 is: 1,591,621.49
Step by Step Solution
- Step 1: Write the proportion equation
1,888,861.14 : 2,606,409.09 = 1,153,445.94 : x - Step 2: Convert to fraction form
1,888,861.14/2,606,409.09 = 1,153,445.94/x - Step 3: Cross multiply
1,888,861.14x = 2,606,409.09 × 1,153,445.94 - Step 4: Simplify right side
1,888,861.14x = 3,006,351,982,839.59 - Step 5: Solve for x
x = 3,006,351,982,839.59/1,888,861.14 - Step 6: Final answer
x = 1,591,621.49
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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.