Finding the Fourth Proportional to 1,995,736.97, 2,982,671.28 and 1,457,128.81
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Solution
The fourth proportional to 1,995,736.97, 2,982,671.28 and 1,457,128.81 is: 2,177,709.96
Step by Step Solution
- Step 1: Write the proportion equation
1,995,736.97 : 2,982,671.28 = 1,457,128.81 : x - Step 2: Convert to fraction form
1,995,736.97/2,982,671.28 = 1,457,128.81/x - Step 3: Cross multiply
1,995,736.97x = 2,982,671.28 × 1,457,128.81 - Step 4: Simplify right side
1,995,736.97x = 4,346,136,258,769.39 - Step 5: Solve for x
x = 4,346,136,258,769.39/1,995,736.97 - Step 6: Final answer
x = 2,177,709.96
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.