Finding the Fourth Proportional to 1,805,120.20, 2,708,717.10 and 683,993.80
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Solution
The fourth proportional to 1,805,120.20, 2,708,717.10 and 683,993.80 is: 1,026,383.56
Step by Step Solution
- Step 1: Write the proportion equation
1,805,120.20 : 2,708,717.10 = 683,993.80 : x - Step 2: Convert to fraction form
1,805,120.20/2,708,717.10 = 683,993.80/x - Step 3: Cross multiply
1,805,120.20x = 2,708,717.10 × 683,993.80 - Step 4: Simplify right side
1,805,120.20x = 1,852,745,702,353.98 - Step 5: Solve for x
x = 1,852,745,702,353.98/1,805,120.20 - Step 6: Final answer
x = 1,026,383.56
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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.