Finding the Fourth Proportional to 1,686,649.63, 2,327,594.88 and 922,686.79
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Solution
The fourth proportional to 1,686,649.63, 2,327,594.88 and 922,686.79 is: 1,273,317.83
Step by Step Solution
- Step 1: Write the proportion equation
1,686,649.63 : 2,327,594.88 = 922,686.79 : x - Step 2: Convert to fraction form
1,686,649.63/2,327,594.88 = 922,686.79/x - Step 3: Cross multiply
1,686,649.63x = 2,327,594.88 × 922,686.79 - Step 4: Simplify right side
1,686,649.63x = 2,147,641,048,247.64 - Step 5: Solve for x
x = 2,147,641,048,247.64/1,686,649.63 - Step 6: Final answer
x = 1,273,317.83
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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.