Finding the Fourth Proportional to 2,110,274.10, 2,912,174.14 and 1,143,430.56
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Solution
The fourth proportional to 2,110,274.10, 2,912,174.14 and 1,143,430.56 is: 1,577,931.94
Step by Step Solution
- Step 1: Write the proportion equation
2,110,274.10 : 2,912,174.14 = 1,143,430.56 : x - Step 2: Convert to fraction form
2,110,274.10/2,912,174.14 = 1,143,430.56/x - Step 3: Cross multiply
2,110,274.10x = 2,912,174.14 × 1,143,430.56 - Step 4: Simplify right side
2,110,274.10x = 3,329,868,907,717.72 - Step 5: Solve for x
x = 3,329,868,907,717.72/2,110,274.10 - Step 6: Final answer
x = 1,577,931.94
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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.