Finding the Fourth Proportional to 2,615,720.42, 3,611,455.60 and 2,339,220.44
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Solution
The fourth proportional to 2,615,720.42, 3,611,455.60 and 2,339,220.44 is: 3,229,699.43
Step by Step Solution
- Step 1: Write the proportion equation
2,615,720.42 : 3,611,455.60 = 2,339,220.44 : x - Step 2: Convert to fraction form
2,615,720.42/3,611,455.60 = 2,339,220.44/x - Step 3: Cross multiply
2,615,720.42x = 3,611,455.60 × 2,339,220.44 - Step 4: Simplify right side
2,615,720.42x = 8,447,990,757,672.46 - Step 5: Solve for x
x = 8,447,990,757,672.46/2,615,720.42 - Step 6: Final answer
x = 3,229,699.43
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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.