Finding the Fourth Proportional to 1,591,944.22, 2,385,923.21 and 1,253,648.75
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Solution
The fourth proportional to 1,591,944.22, 2,385,923.21 and 1,253,648.75 is: 1,878,903.55
Step by Step Solution
- Step 1: Write the proportion equation
1,591,944.22 : 2,385,923.21 = 1,253,648.75 : x - Step 2: Convert to fraction form
1,591,944.22/2,385,923.21 = 1,253,648.75/x - Step 3: Cross multiply
1,591,944.22x = 2,385,923.21 × 1,253,648.75 - Step 4: Simplify right side
1,591,944.22x = 2,991,109,643,544.24 - Step 5: Solve for x
x = 2,991,109,643,544.24/1,591,944.22 - Step 6: Final answer
x = 1,878,903.55
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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.