Finding the Fourth Proportional to 1,536,982.05, 2,121,068.94 and 848,652.05
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Solution
The fourth proportional to 1,536,982.05, 2,121,068.94 and 848,652.05 is: 1,171,158.44
Step by Step Solution
- Step 1: Write the proportion equation
1,536,982.05 : 2,121,068.94 = 848,652.05 : x - Step 2: Convert to fraction form
1,536,982.05/2,121,068.94 = 848,652.05/x - Step 3: Cross multiply
1,536,982.05x = 2,121,068.94 × 848,652.05 - Step 4: Simplify right side
1,536,982.05x = 1,800,049,504,122.33 - Step 5: Solve for x
x = 1,800,049,504,122.33/1,536,982.05 - Step 6: Final answer
x = 1,171,158.44
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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.