Finding the Fourth Proportional to 5,634,768.65, 8,440,818.26 and 4,270,875.14
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Solution
The fourth proportional to 5,634,768.65, 8,440,818.26 and 4,270,875.14 is: 6,397,721.56
Step by Step Solution
- Step 1: Write the proportion equation
5,634,768.65 : 8,440,818.26 = 4,270,875.14 : x - Step 2: Convert to fraction form
5,634,768.65/8,440,818.26 = 4,270,875.14/x - Step 3: Cross multiply
5,634,768.65x = 8,440,818.26 × 4,270,875.14 - Step 4: Simplify right side
5,634,768.65x = 36,049,680,867,639.73 - Step 5: Solve for x
x = 36,049,680,867,639.73/5,634,768.65 - Step 6: Final answer
x = 6,397,721.56
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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.