Finding the Fourth Proportional to 1,631,660.20, 2,251,728.58 and 896,660.17
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Solution
The fourth proportional to 1,631,660.20, 2,251,728.58 and 896,660.17 is: 1,237,411.64
Step by Step Solution
- Step 1: Write the proportion equation
1,631,660.20 : 2,251,728.58 = 896,660.17 : x - Step 2: Convert to fraction form
1,631,660.20/2,251,728.58 = 896,660.17/x - Step 3: Cross multiply
1,631,660.20x = 2,251,728.58 × 896,660.17 - Step 4: Simplify right side
1,631,660.20x = 2,019,035,331,336.66 - Step 5: Solve for x
x = 2,019,035,331,336.66/1,631,660.20 - Step 6: Final answer
x = 1,237,411.64
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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.