Finding the Fourth Proportional to 4,128,562.60, 6,192,843.90 and 3,183,778.60
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Solution
The fourth proportional to 4,128,562.60, 6,192,843.90 and 3,183,778.60 is: 4,775,667.90
Step by Step Solution
- Step 1: Write the proportion equation
4,128,562.60 : 6,192,843.90 = 3,183,778.60 : x - Step 2: Convert to fraction form
4,128,562.60/6,192,843.90 = 3,183,778.60/x - Step 3: Cross multiply
4,128,562.60x = 6,192,843.90 × 3,183,778.60 - Step 4: Simplify right side
4,128,562.60x = 19,716,643,881,960.54 - Step 5: Solve for x
x = 19,716,643,881,960.54/4,128,562.60 - Step 6: Final answer
x = 4,775,667.90
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1.5x scale
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.