Finding the Fourth Proportional to 1,961,194.39, 2,706,431.93 and 1,101,736.19
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Solution
The fourth proportional to 1,961,194.39, 2,706,431.93 and 1,101,736.19 is: 1,520,386.77
Step by Step Solution
- Step 1: Write the proportion equation
1,961,194.39 : 2,706,431.93 = 1,101,736.19 : x - Step 2: Convert to fraction form
1,961,194.39/2,706,431.93 = 1,101,736.19/x - Step 3: Cross multiply
1,961,194.39x = 2,706,431.93 × 1,101,736.19 - Step 4: Simplify right side
1,961,194.39x = 2,981,774,003,052.55 - Step 5: Solve for x
x = 2,981,774,003,052.55/1,961,194.39 - Step 6: Final answer
x = 1,520,386.77
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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.