Finding the Fourth Proportional to 2,102,563.58, 2,901,538.90 and 1,135,693.86
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Solution
The fourth proportional to 2,102,563.58, 2,901,538.90 and 1,135,693.86 is: 1,567,258.15
Step by Step Solution
- Step 1: Write the proportion equation
2,102,563.58 : 2,901,538.90 = 1,135,693.86 : x - Step 2: Convert to fraction form
2,102,563.58/2,901,538.90 = 1,135,693.86/x - Step 3: Cross multiply
2,102,563.58x = 2,901,538.90 × 1,135,693.86 - Step 4: Simplify right side
2,102,563.58x = 3,295,259,913,281.15 - Step 5: Solve for x
x = 3,295,259,913,281.15/2,102,563.58 - Step 6: Final answer
x = 1,567,258.15
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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.