Finding the Fourth Proportional to 1,686,187.68, 2,326,889.40 and 922,224.72
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Solution
The fourth proportional to 1,686,187.68, 2,326,889.40 and 922,224.72 is: 1,272,642.99
Step by Step Solution
- Step 1: Write the proportion equation
1,686,187.68 : 2,326,889.40 = 922,224.72 : x - Step 2: Convert to fraction form
1,686,187.68/2,326,889.40 = 922,224.72/x - Step 3: Cross multiply
1,686,187.68x = 2,326,889.40 × 922,224.72 - Step 4: Simplify right side
1,686,187.68x = 2,145,914,925,385.97 - Step 5: Solve for x
x = 2,145,914,925,385.97/1,686,187.68 - Step 6: Final answer
x = 1,272,642.99
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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.