Finding the Fourth Proportional to 3,742,129.13, 5,164,137.32 and 2,110,533.00
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Solution
The fourth proportional to 3,742,129.13, 5,164,137.32 and 2,110,533.00 is: 2,912,535.04
Step by Step Solution
- Step 1: Write the proportion equation
3,742,129.13 : 5,164,137.32 = 2,110,533.00 : x - Step 2: Convert to fraction form
3,742,129.13/5,164,137.32 = 2,110,533.00/x - Step 3: Cross multiply
3,742,129.13x = 5,164,137.32 × 2,110,533.00 - Step 4: Simplify right side
3,742,129.13x = 10,899,082,200,473.38 - Step 5: Solve for x
x = 10,899,082,200,473.38/3,742,129.13 - Step 6: Final answer
x = 2,912,535.04
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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.