Finding the Fourth Proportional to 3,165,619.94, 4,370,062.08 and 2,120,840.24
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Solution
The fourth proportional to 3,165,619.94, 4,370,062.08 and 2,120,840.24 is: 2,927,768.87
Step by Step Solution
- Step 1: Write the proportion equation
3,165,619.94 : 4,370,062.08 = 2,120,840.24 : x - Step 2: Convert to fraction form
3,165,619.94/4,370,062.08 = 2,120,840.24/x - Step 3: Cross multiply
3,165,619.94x = 4,370,062.08 × 2,120,840.24 - Step 4: Simplify right side
3,165,619.94x = 9,268,203,510,562.10 - Step 5: Solve for x
x = 9,268,203,510,562.10/3,165,619.94 - Step 6: Final answer
x = 2,927,768.87
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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.