Finding the Fourth Proportional to 3,071,081.88, 4,239,452.16 and 1,983,883.68
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Solution
The fourth proportional to 3,071,081.88, 4,239,452.16 and 1,983,883.68 is: 2,738,637.48
Step by Step Solution
- Step 1: Write the proportion equation
3,071,081.88 : 4,239,452.16 = 1,983,883.68 : x - Step 2: Convert to fraction form
3,071,081.88/4,239,452.16 = 1,983,883.68/x - Step 3: Cross multiply
3,071,081.88x = 4,239,452.16 × 1,983,883.68 - Step 4: Simplify right side
3,071,081.88x = 8,410,579,952,364.75 - Step 5: Solve for x
x = 8,410,579,952,364.75/3,071,081.88 - Step 6: Final answer
x = 2,738,637.48
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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.