Finding the Fourth Proportional to 3,926,471.84, 5,889,536.40 and 1,230,735.50
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Solution
The fourth proportional to 3,926,471.84, 5,889,536.40 and 1,230,735.50 is: 1,846,049.54
Step by Step Solution
- Step 1: Write the proportion equation
3,926,471.84 : 5,889,536.40 = 1,230,735.50 : x - Step 2: Convert to fraction form
3,926,471.84/5,889,536.40 = 1,230,735.50/x - Step 3: Cross multiply
3,926,471.84x = 5,889,536.40 × 1,230,735.50 - Step 4: Simplify right side
3,926,471.84x = 7,248,461,526,022.20 - Step 5: Solve for x
x = 7,248,461,526,022.20/3,926,471.84 - Step 6: Final answer
x = 1,846,049.54
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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.