Finding the Fourth Proportional to 1,685,186.47, 2,527,798.19 and 487,119.18
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Solution
The fourth proportional to 1,685,186.47, 2,527,798.19 and 487,119.18 is: 730,684.12
Step by Step Solution
- Step 1: Write the proportion equation
1,685,186.47 : 2,527,798.19 = 487,119.18 : x - Step 2: Convert to fraction form
1,685,186.47/2,527,798.19 = 487,119.18/x - Step 3: Cross multiply
1,685,186.47x = 2,527,798.19 × 487,119.18 - Step 4: Simplify right side
1,685,186.47x = 1,231,338,988,561.93 - Step 5: Solve for x
x = 1,231,338,988,561.93/1,685,186.47 - Step 6: Final answer
x = 730,684.12
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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.