Finding the Fourth Proportional to 1,442,116.44, 1,990,133.82 and 797,581.08
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Solution
The fourth proportional to 1,442,116.44, 1,990,133.82 and 797,581.08 is: 1,100,669.15
Step by Step Solution
- Step 1: Write the proportion equation
1,442,116.44 : 1,990,133.82 = 797,581.08 : x - Step 2: Convert to fraction form
1,442,116.44/1,990,133.82 = 797,581.08/x - Step 3: Cross multiply
1,442,116.44x = 1,990,133.82 × 797,581.08 - Step 4: Simplify right side
1,442,116.44x = 1,587,293,081,500.13 - Step 5: Solve for x
x = 1,587,293,081,500.13/1,442,116.44 - Step 6: Final answer
x = 1,100,669.15
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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.