Finding the Fourth Proportional to 1,961,446.84, 2,706,778.14 and 1,090,258.72
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Solution
The fourth proportional to 1,961,446.84, 2,706,778.14 and 1,090,258.72 is: 1,504,546.75
Step by Step Solution
- Step 1: Write the proportion equation
1,961,446.84 : 2,706,778.14 = 1,090,258.72 : x - Step 2: Convert to fraction form
1,961,446.84/2,706,778.14 = 1,090,258.72/x - Step 3: Cross multiply
1,961,446.84x = 2,706,778.14 × 1,090,258.72 - Step 4: Simplify right side
1,961,446.84x = 2,951,088,470,240.38 - Step 5: Solve for x
x = 2,951,088,470,240.38/1,961,446.84 - Step 6: Final answer
x = 1,504,546.75
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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.