Finding the Fourth Proportional to 4,160,871.44, 6,241,990.28 and 1,282,238.74
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Solution
The fourth proportional to 4,160,871.44, 6,241,990.28 and 1,282,238.74 is: 1,923,568.63
Step by Step Solution
- Step 1: Write the proportion equation
4,160,871.44 : 6,241,990.28 = 1,282,238.74 : x - Step 2: Convert to fraction form
4,160,871.44/6,241,990.28 = 1,282,238.74/x - Step 3: Cross multiply
4,160,871.44x = 6,241,990.28 × 1,282,238.74 - Step 4: Simplify right side
4,160,871.44x = 8,003,721,753,110.74 - Step 5: Solve for x
x = 8,003,721,753,110.74/4,160,871.44 - Step 6: Final answer
x = 1,923,568.63
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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.