Finding the Fourth Proportional to 2,043,415.68, 2,819,482.20 and 1,183,923.60
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Solution
The fourth proportional to 2,043,415.68, 2,819,482.20 and 1,183,923.60 is: 1,633,564.60
Step by Step Solution
- Step 1: Write the proportion equation
2,043,415.68 : 2,819,482.20 = 1,183,923.60 : x - Step 2: Convert to fraction form
2,043,415.68/2,819,482.20 = 1,183,923.60/x - Step 3: Cross multiply
2,043,415.68x = 2,819,482.20 × 1,183,923.60 - Step 4: Simplify right side
2,043,415.68x = 3,338,051,516,359.92 - Step 5: Solve for x
x = 3,338,051,516,359.92/2,043,415.68 - Step 6: Final answer
x = 1,633,564.60
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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.