Finding the Fourth Proportional to 2,917,009.40, 4,375,485.30 and 922,465.40
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Solution
The fourth proportional to 2,917,009.40, 4,375,485.30 and 922,465.40 is: 1,383,688.99
Step by Step Solution
- Step 1: Write the proportion equation
2,917,009.40 : 4,375,485.30 = 922,465.40 : x - Step 2: Convert to fraction form
2,917,009.40/4,375,485.30 = 922,465.40/x - Step 3: Cross multiply
2,917,009.40x = 4,375,485.30 × 922,465.40 - Step 4: Simplify right side
2,917,009.40x = 4,036,233,797,458.62 - Step 5: Solve for x
x = 4,036,233,797,458.62/2,917,009.40 - Step 6: Final answer
x = 1,383,688.99
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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.