Finding the Fourth Proportional to 1,597,284.80, 2,204,236.32 and 872,130.40
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Solution
The fourth proportional to 1,597,284.80, 2,204,236.32 and 872,130.40 is: 1,203,530.83
Step by Step Solution
- Step 1: Write the proportion equation
1,597,284.80 : 2,204,236.32 = 872,130.40 : x - Step 2: Convert to fraction form
1,597,284.80/2,204,236.32 = 872,130.40/x - Step 3: Cross multiply
1,597,284.80x = 2,204,236.32 × 872,130.40 - Step 4: Simplify right side
1,597,284.80x = 1,922,381,503,456.13 - Step 5: Solve for x
x = 1,922,381,503,456.13/1,597,284.80 - Step 6: Final answer
x = 1,203,530.83
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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.