Finding the Fourth Proportional to 3,165,612.71, 4,370,052.06 and 2,120,832.99
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Solution
The fourth proportional to 3,165,612.71, 4,370,052.06 and 2,120,832.99 is: 2,927,758.84
Step by Step Solution
- Step 1: Write the proportion equation
3,165,612.71 : 4,370,052.06 = 2,120,832.99 : x - Step 2: Convert to fraction form
3,165,612.71/4,370,052.06 = 2,120,832.99/x - Step 3: Cross multiply
3,165,612.71x = 4,370,052.06 × 2,120,832.99 - Step 4: Simplify right side
3,165,612.71x = 9,268,150,576,865.46 - Step 5: Solve for x
x = 9,268,150,576,865.46/3,165,612.71 - Step 6: Final answer
x = 2,927,758.84
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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.