Finding the Fourth Proportional to 1,878,299.28, 2,589,176.97 and 1,151,799.84
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Solution
The fourth proportional to 1,878,299.28, 2,589,176.97 and 1,151,799.84 is: 1,587,720.15
Step by Step Solution
- Step 1: Write the proportion equation
1,878,299.28 : 2,589,176.97 = 1,151,799.84 : x - Step 2: Convert to fraction form
1,878,299.28/2,589,176.97 = 1,151,799.84/x - Step 3: Cross multiply
1,878,299.28x = 2,589,176.97 × 1,151,799.84 - Step 4: Simplify right side
1,878,299.28x = 2,982,213,619,777.69 - Step 5: Solve for x
x = 2,982,213,619,777.69/1,878,299.28 - Step 6: Final answer
x = 1,587,720.15
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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.