Finding the Fourth Proportional to 1,921,713.44, 2,651,917.44 and 1,062,251.36
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Solution
The fourth proportional to 1,921,713.44, 2,651,917.44 and 1,062,251.36 is: 1,465,880.84
Step by Step Solution
- Step 1: Write the proportion equation
1,921,713.44 : 2,651,917.44 = 1,062,251.36 : x - Step 2: Convert to fraction form
1,921,713.44/2,651,917.44 = 1,062,251.36/x - Step 3: Cross multiply
1,921,713.44x = 2,651,917.44 × 1,062,251.36 - Step 4: Simplify right side
1,921,713.44x = 2,817,002,907,247.72 - Step 5: Solve for x
x = 2,817,002,907,247.72/1,921,713.44 - Step 6: Final answer
x = 1,465,880.84
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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.