Finding the Fourth Proportional to 4,270,347.80, 6,397,745.70 and 2,021,528.60
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Solution
The fourth proportional to 4,270,347.80, 6,397,745.70 and 2,021,528.60 is: 3,028,611.84
Step by Step Solution
- Step 1: Write the proportion equation
4,270,347.80 : 6,397,745.70 = 2,021,528.60 : x - Step 2: Convert to fraction form
4,270,347.80/6,397,745.70 = 2,021,528.60/x - Step 3: Cross multiply
4,270,347.80x = 6,397,745.70 × 2,021,528.60 - Step 4: Simplify right side
4,270,347.80x = 12,933,225,908,077.02 - Step 5: Solve for x
x = 12,933,225,908,077.02/4,270,347.80 - Step 6: Final answer
x = 3,028,611.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.