Finding the Fourth Proportional to 1,457,694.15, 2,011,616.55 and 813,113.97
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Solution
The fourth proportional to 1,457,694.15, 2,011,616.55 and 813,113.97 is: 1,122,096.51
Step by Step Solution
- Step 1: Write the proportion equation
1,457,694.15 : 2,011,616.55 = 813,113.97 : x - Step 2: Convert to fraction form
1,457,694.15/2,011,616.55 = 813,113.97/x - Step 3: Cross multiply
1,457,694.15x = 2,011,616.55 × 813,113.97 - Step 4: Simplify right side
1,457,694.15x = 1,635,673,519,088.20 - Step 5: Solve for x
x = 1,635,673,519,088.20/1,457,694.15 - Step 6: Final answer
x = 1,122,096.51
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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.