Finding the Fourth Proportional to 3,614,866.05, 4,988,566.05 and 1,983,243.77
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Solution
The fourth proportional to 3,614,866.05, 4,988,566.05 and 1,983,243.77 is: 2,736,904.32
Step by Step Solution
- Step 1: Write the proportion equation
3,614,866.05 : 4,988,566.05 = 1,983,243.77 : x - Step 2: Convert to fraction form
3,614,866.05/4,988,566.05 = 1,983,243.77/x - Step 3: Cross multiply
3,614,866.05x = 4,988,566.05 × 1,983,243.77 - Step 4: Simplify right side
3,614,866.05x = 9,893,542,505,036.96 - Step 5: Solve for x
x = 9,893,542,505,036.96/3,614,866.05 - Step 6: Final answer
x = 2,736,904.32
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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.