Finding the Fourth Proportional to 3,025,378.20, 4,538,067.30 and 2,340,409.80
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Solution
The fourth proportional to 3,025,378.20, 4,538,067.30 and 2,340,409.80 is: 3,510,614.70
Step by Step Solution
- Step 1: Write the proportion equation
3,025,378.20 : 4,538,067.30 = 2,340,409.80 : x - Step 2: Convert to fraction form
3,025,378.20/4,538,067.30 = 2,340,409.80/x - Step 3: Cross multiply
3,025,378.20x = 4,538,067.30 × 2,340,409.80 - Step 4: Simplify right side
3,025,378.20x = 10,620,937,181,979.54 - Step 5: Solve for x
x = 10,620,937,181,979.54/3,025,378.20 - Step 6: Final answer
x = 3,510,614.70
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1.5x scale
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.