Finding the Fourth Proportional to 2,756,729.10, 3,803,994.99 and 1,532,837.19
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Solution
The fourth proportional to 2,756,729.10, 3,803,994.99 and 1,532,837.19 is: 2,115,153.42
Step by Step Solution
- Step 1: Write the proportion equation
2,756,729.10 : 3,803,994.99 = 1,532,837.19 : x - Step 2: Convert to fraction form
2,756,729.10/3,803,994.99 = 1,532,837.19/x - Step 3: Cross multiply
2,756,729.10x = 3,803,994.99 × 1,532,837.19 - Step 4: Simplify right side
2,756,729.10x = 5,830,904,991,245.68 - Step 5: Solve for x
x = 5,830,904,991,245.68/2,756,729.10 - Step 6: Final answer
x = 2,115,153.42
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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.