Finding the Fourth Proportional to 1,685,186.68, 2,528,418.42 and 1,011,738.28
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Solution
The fourth proportional to 1,685,186.68, 2,528,418.42 and 1,011,738.28 is: 1,517,990.70
Step by Step Solution
- Step 1: Write the proportion equation
1,685,186.68 : 2,528,418.42 = 1,011,738.28 : x - Step 2: Convert to fraction form
1,685,186.68/2,528,418.42 = 1,011,738.28/x - Step 3: Cross multiply
1,685,186.68x = 2,528,418.42 × 1,011,738.28 - Step 4: Simplify right side
1,685,186.68x = 2,558,097,703,371.12 - Step 5: Solve for x
x = 2,558,097,703,371.12/1,685,186.68 - Step 6: Final answer
x = 1,517,990.70
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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.