Finding the Fourth Proportional to 1,554,441.44, 2,145,134.04 and 901,194.80
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Solution
The fourth proportional to 1,554,441.44, 2,145,134.04 and 901,194.80 is: 1,243,651.64
Step by Step Solution
- Step 1: Write the proportion equation
1,554,441.44 : 2,145,134.04 = 901,194.80 : x - Step 2: Convert to fraction form
1,554,441.44/2,145,134.04 = 901,194.80/x - Step 3: Cross multiply
1,554,441.44x = 2,145,134.04 × 901,194.80 - Step 4: Simplify right side
1,554,441.44x = 1,933,183,642,150.99 - Step 5: Solve for x
x = 1,933,183,642,150.99/1,554,441.44 - Step 6: Final answer
x = 1,243,651.64
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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.