Finding the Fourth Proportional to 1,628,471.84, 2,442,728.54 and 430,383.80
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Solution
The fourth proportional to 1,628,471.84, 2,442,728.54 and 430,383.80 is: 645,581.19
Step by Step Solution
- Step 1: Write the proportion equation
1,628,471.84 : 2,442,728.54 = 430,383.80 : x - Step 2: Convert to fraction form
1,628,471.84/2,442,728.54 = 430,383.80/x - Step 3: Cross multiply
1,628,471.84x = 2,442,728.54 × 430,383.80 - Step 4: Simplify right side
1,628,471.84x = 1,051,310,784,856.08 - Step 5: Solve for x
x = 1,051,310,784,856.08/1,628,471.84 - Step 6: Final answer
x = 645,581.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.