Finding the Fourth Proportional to 4,029,643.36, 5,561,007.48 and 2,194,202.20
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Solution
The fourth proportional to 4,029,643.36, 5,561,007.48 and 2,194,202.20 is: 3,028,053.29
Step by Step Solution
- Step 1: Write the proportion equation
4,029,643.36 : 5,561,007.48 = 2,194,202.20 : x - Step 2: Convert to fraction form
4,029,643.36/5,561,007.48 = 2,194,202.20/x - Step 3: Cross multiply
4,029,643.36x = 5,561,007.48 × 2,194,202.20 - Step 4: Simplify right side
4,029,643.36x = 12,201,974,846,832.46 - Step 5: Solve for x
x = 12,201,974,846,832.46/4,029,643.36 - Step 6: Final answer
x = 3,028,053.29
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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.