Finding the Fourth Proportional to 1,686,114.63, 2,326,893.68 and 922,168.19
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Solution
The fourth proportional to 1,686,114.63, 2,326,893.68 and 922,168.19 is: 1,272,622.46
Step by Step Solution
- Step 1: Write the proportion equation
1,686,114.63 : 2,326,893.68 = 922,168.19 : x - Step 2: Convert to fraction form
1,686,114.63/2,326,893.68 = 922,168.19/x - Step 3: Cross multiply
1,686,114.63x = 2,326,893.68 × 922,168.19 - Step 4: Simplify right side
1,686,114.63x = 2,145,787,341,330.69 - Step 5: Solve for x
x = 2,145,787,341,330.69/1,686,114.63 - Step 6: Final answer
x = 1,272,622.46
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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.