Finding the Fourth Proportional to 1,591,154.94, 2,382,933.38 and 915,816.68
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Solution
The fourth proportional to 1,591,154.94, 2,382,933.38 and 915,816.68 is: 1,371,538.42
Step by Step Solution
- Step 1: Write the proportion equation
1,591,154.94 : 2,382,933.38 = 915,816.68 : x - Step 2: Convert to fraction form
1,591,154.94/2,382,933.38 = 915,816.68/x - Step 3: Cross multiply
1,591,154.94x = 2,382,933.38 × 915,816.68 - Step 4: Simplify right side
1,591,154.94x = 2,182,330,136,732.78 - Step 5: Solve for x
x = 2,182,330,136,732.78/1,591,154.94 - Step 6: Final answer
x = 1,371,538.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.