Finding the Fourth Proportional to 2,370,211.55, 3,270,882.89 and 1,282,485.23
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Solution
The fourth proportional to 2,370,211.55, 3,270,882.89 and 1,282,485.23 is: 1,769,824.72
Step by Step Solution
- Step 1: Write the proportion equation
2,370,211.55 : 3,270,882.89 = 1,282,485.23 : x - Step 2: Convert to fraction form
2,370,211.55/3,270,882.89 = 1,282,485.23/x - Step 3: Cross multiply
2,370,211.55x = 3,270,882.89 × 1,282,485.23 - Step 4: Simplify right side
2,370,211.55x = 4,194,858,982,336.51 - Step 5: Solve for x
x = 4,194,858,982,336.51/2,370,211.55 - Step 6: Final answer
x = 1,769,824.72
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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.