Finding the Fourth Proportional to 2,615,718.42, 3,611,452.84 and 2,339,218.44
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Solution
The fourth proportional to 2,615,718.42, 3,611,452.84 and 2,339,218.44 is: 3,229,696.67
Step by Step Solution
- Step 1: Write the proportion equation
2,615,718.42 : 3,611,452.84 = 2,339,218.44 : x - Step 2: Convert to fraction form
2,615,718.42/3,611,452.84 = 2,339,218.44/x - Step 3: Cross multiply
2,615,718.42x = 3,611,452.84 × 2,339,218.44 - Step 4: Simplify right side
2,615,718.42x = 8,447,977,072,670.32 - Step 5: Solve for x
x = 8,447,977,072,670.32/2,615,718.42 - Step 6: Final answer
x = 3,229,696.67
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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.