Finding the Fourth Proportional to 4,621,378.76, 6,932,698.67 and 1,925,073.44
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Solution
The fourth proportional to 4,621,378.76, 6,932,698.67 and 1,925,073.44 is: 2,887,872.81
Step by Step Solution
- Step 1: Write the proportion equation
4,621,378.76 : 6,932,698.67 = 1,925,073.44 : x - Step 2: Convert to fraction form
4,621,378.76/6,932,698.67 = 1,925,073.44/x - Step 3: Cross multiply
4,621,378.76x = 6,932,698.67 × 1,925,073.44 - Step 4: Simplify right side
4,621,378.76x = 13,345,954,073,287.13 - Step 5: Solve for x
x = 13,345,954,073,287.13/4,621,378.76 - Step 6: Final answer
x = 2,887,872.81
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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.