Finding the Fourth Proportional to 5,204,784.24, 7,182,601.20 and 2,912,944.68
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Solution
The fourth proportional to 5,204,784.24, 7,182,601.20 and 2,912,944.68 is: 4,019,863.07
Step by Step Solution
- Step 1: Write the proportion equation
5,204,784.24 : 7,182,601.20 = 2,912,944.68 : x - Step 2: Convert to fraction form
5,204,784.24/7,182,601.20 = 2,912,944.68/x - Step 3: Cross multiply
5,204,784.24x = 7,182,601.20 × 2,912,944.68 - Step 4: Simplify right side
5,204,784.24x = 20,922,519,954,101.62 - Step 5: Solve for x
x = 20,922,519,954,101.62/5,204,784.24 - Step 6: Final answer
x = 4,019,863.07
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1.5x scale
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.