Finding the Fourth Proportional to 3,165,618.94, 4,370,060.70 and 2,120,839.24
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Solution
The fourth proportional to 3,165,618.94, 4,370,060.70 and 2,120,839.24 is: 2,927,767.49
Step by Step Solution
- Step 1: Write the proportion equation
3,165,618.94 : 4,370,060.70 = 2,120,839.24 : x - Step 2: Convert to fraction form
3,165,618.94/4,370,060.70 = 2,120,839.24/x - Step 3: Cross multiply
3,165,618.94x = 4,370,060.70 × 2,120,839.24 - Step 4: Simplify right side
3,165,618.94x = 9,268,196,213,741.87 - Step 5: Solve for x
x = 9,268,196,213,741.87/3,165,618.94 - Step 6: Final answer
x = 2,927,767.49
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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.