Finding the Fourth Proportional to 2,739,438.18, 3,780,536.04 and 1,515,723.78
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Solution
The fourth proportional to 2,739,438.18, 3,780,536.04 and 1,515,723.78 is: 2,091,760.43
Step by Step Solution
- Step 1: Write the proportion equation
2,739,438.18 : 3,780,536.04 = 1,515,723.78 : x - Step 2: Convert to fraction form
2,739,438.18/3,780,536.04 = 1,515,723.78/x - Step 3: Cross multiply
2,739,438.18x = 3,780,536.04 × 1,515,723.78 - Step 4: Simplify right side
2,739,438.18x = 5,730,248,376,975.03 - Step 5: Solve for x
x = 5,730,248,376,975.03/2,739,438.18 - Step 6: Final answer
x = 2,091,760.43
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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.