Finding the Fourth Proportional to 1,834,786.64, 2,532,378.16 and 1,060,450.40
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Solution
The fourth proportional to 1,834,786.64, 2,532,378.16 and 1,060,450.40 is: 1,463,636.90
Step by Step Solution
- Step 1: Write the proportion equation
1,834,786.64 : 2,532,378.16 = 1,060,450.40 : x - Step 2: Convert to fraction form
1,834,786.64/2,532,378.16 = 1,060,450.40/x - Step 3: Cross multiply
1,834,786.64x = 2,532,378.16 × 1,060,450.40 - Step 4: Simplify right side
1,834,786.64x = 2,685,461,432,723.26 - Step 5: Solve for x
x = 2,685,461,432,723.26/1,834,786.64 - Step 6: Final answer
x = 1,463,636.90
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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.