Finding the Fourth Proportional to 2,565,958.44, 3,541,133.88 and 1,420,039.20
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Solution
The fourth proportional to 2,565,958.44, 3,541,133.88 and 1,420,039.20 is: 1,959,715.65
Step by Step Solution
- Step 1: Write the proportion equation
2,565,958.44 : 3,541,133.88 = 1,420,039.20 : x - Step 2: Convert to fraction form
2,565,958.44/3,541,133.88 = 1,420,039.20/x - Step 3: Cross multiply
2,565,958.44x = 3,541,133.88 × 1,420,039.20 - Step 4: Simplify right side
2,565,958.44x = 5,028,548,922,048.10 - Step 5: Solve for x
x = 5,028,548,922,048.10/2,565,958.44 - Step 6: Final answer
x = 1,959,715.65
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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.