Finding the Fourth Proportional to 2,102,101.64, 2,900,900.14 and 1,135,231.83
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Solution
The fourth proportional to 2,102,101.64, 2,900,900.14 and 1,135,231.83 is: 1,566,619.86
Step by Step Solution
- Step 1: Write the proportion equation
2,102,101.64 : 2,900,900.14 = 1,135,231.83 : x - Step 2: Convert to fraction form
2,102,101.64/2,900,900.14 = 1,135,231.83/x - Step 3: Cross multiply
2,102,101.64x = 2,900,900.14 × 1,135,231.83 - Step 4: Simplify right side
2,102,101.64x = 3,293,194,171,741.38 - Step 5: Solve for x
x = 3,293,194,171,741.38/2,102,101.64 - Step 6: Final answer
x = 1,566,619.86
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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.