Finding the Fourth Proportional to 4,040,678.05, 5,576,253.93 and 2,205,254.06
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Solution
The fourth proportional to 4,040,678.05, 5,576,253.93 and 2,205,254.06 is: 3,043,315.12
Step by Step Solution
- Step 1: Write the proportion equation
4,040,678.05 : 5,576,253.93 = 2,205,254.06 : x - Step 2: Convert to fraction form
4,040,678.05/5,576,253.93 = 2,205,254.06/x - Step 3: Cross multiply
4,040,678.05x = 5,576,253.93 × 2,205,254.06 - Step 4: Simplify right side
4,040,678.05x = 12,297,056,618,723.46 - Step 5: Solve for x
x = 12,297,056,618,723.46/4,040,678.05 - Step 6: Final answer
x = 3,043,315.12
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1.5x scale
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.