Finding the Fourth Proportional to 2,077,439.21, 3,117,255.96 and 1,474,125.99
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Solution
The fourth proportional to 2,077,439.21, 3,117,255.96 and 1,474,125.99 is: 2,211,967.51
Step by Step Solution
- Step 1: Write the proportion equation
2,077,439.21 : 3,117,255.96 = 1,474,125.99 : x - Step 2: Convert to fraction form
2,077,439.21/3,117,255.96 = 1,474,125.99/x - Step 3: Cross multiply
2,077,439.21x = 3,117,255.96 × 1,474,125.99 - Step 4: Simplify right side
2,077,439.21x = 4,595,228,028,118.40 - Step 5: Solve for x
x = 4,595,228,028,118.40/2,077,439.21 - Step 6: Final answer
x = 2,211,967.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.