Finding the Fourth Proportional to 5,558,268.12, 8,331,621.84 and 2,148,896.43
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Solution
The fourth proportional to 5,558,268.12, 8,331,621.84 and 2,148,896.43 is: 3,221,109.89
Step by Step Solution
- Step 1: Write the proportion equation
5,558,268.12 : 8,331,621.84 = 2,148,896.43 : x - Step 2: Convert to fraction form
5,558,268.12/8,331,621.84 = 2,148,896.43/x - Step 3: Cross multiply
5,558,268.12x = 8,331,621.84 × 2,148,896.43 - Step 4: Simplify right side
5,558,268.12x = 17,903,792,428,086.03 - Step 5: Solve for x
x = 17,903,792,428,086.03/5,558,268.12 - Step 6: Final answer
x = 3,221,109.89
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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.