Finding the Fourth Proportional to 1,642,542.23, 2,266,684.18 and 917,399.99
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Solution
The fourth proportional to 1,642,542.23, 2,266,684.18 and 917,399.99 is: 1,265,998.53
Step by Step Solution
- Step 1: Write the proportion equation
1,642,542.23 : 2,266,684.18 = 917,399.99 : x - Step 2: Convert to fraction form
1,642,542.23/2,266,684.18 = 917,399.99/x - Step 3: Cross multiply
1,642,542.23x = 2,266,684.18 × 917,399.99 - Step 4: Simplify right side
1,642,542.23x = 2,079,456,047,438.37 - Step 5: Solve for x
x = 2,079,456,047,438.37/1,642,542.23 - Step 6: Final answer
x = 1,265,998.53
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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.