Finding the Fourth Proportional to 1,876,689.94, 2,589,762.74 and 1,017,231.74
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Solution
The fourth proportional to 1,876,689.94, 2,589,762.74 and 1,017,231.74 is: 1,403,742.20
Step by Step Solution
- Step 1: Write the proportion equation
1,876,689.94 : 2,589,762.74 = 1,017,231.74 : x - Step 2: Convert to fraction form
1,876,689.94/2,589,762.74 = 1,017,231.74/x - Step 3: Cross multiply
1,876,689.94x = 2,589,762.74 × 1,017,231.74 - Step 4: Simplify right side
1,876,689.94x = 2,634,388,858,197.37 - Step 5: Solve for x
x = 2,634,388,858,197.37/1,876,689.94 - Step 6: Final answer
x = 1,403,742.20
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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.