Finding the Fourth Proportional to 1,725,616.17, 2,381,358.29 and 1,000,892.97
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Solution
The fourth proportional to 1,725,616.17, 2,381,358.29 and 1,000,892.97 is: 1,381,236.92
Step by Step Solution
- Step 1: Write the proportion equation
1,725,616.17 : 2,381,358.29 = 1,000,892.97 : x - Step 2: Convert to fraction form
1,725,616.17/2,381,358.29 = 1,000,892.97/x - Step 3: Cross multiply
1,725,616.17x = 2,381,358.29 × 1,000,892.97 - Step 4: Simplify right side
1,725,616.17x = 2,383,484,766,507.76 - Step 5: Solve for x
x = 2,383,484,766,507.76/1,725,616.17 - Step 6: Final answer
x = 1,381,236.92
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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.