Finding the Fourth Proportional to 1,686,503.14, 2,327,392.78 and 922,556.70
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Solution
The fourth proportional to 1,686,503.14, 2,327,392.78 and 922,556.70 is: 1,273,138.34
Step by Step Solution
- Step 1: Write the proportion equation
1,686,503.14 : 2,327,392.78 = 922,556.70 : x - Step 2: Convert to fraction form
1,686,503.14/2,327,392.78 = 922,556.70/x - Step 3: Cross multiply
1,686,503.14x = 2,327,392.78 × 922,556.70 - Step 4: Simplify right side
1,686,503.14x = 2,147,151,802,720.63 - Step 5: Solve for x
x = 2,147,151,802,720.63/1,686,503.14 - Step 6: Final answer
x = 1,273,138.34
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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.