Finding the Fourth Proportional to 5,353,470.28, 8,031,234.66 and 2,158,919.92
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Solution
The fourth proportional to 5,353,470.28, 8,031,234.66 and 2,158,919.92 is: 3,238,794.95
Step by Step Solution
- Step 1: Write the proportion equation
5,353,470.28 : 8,031,234.66 = 2,158,919.92 : x - Step 2: Convert to fraction form
5,353,470.28/8,031,234.66 = 2,158,919.92/x - Step 3: Cross multiply
5,353,470.28x = 8,031,234.66 × 2,158,919.92 - Step 4: Simplify right side
5,353,470.28x = 17,338,792,489,668.43 - Step 5: Solve for x
x = 17,338,792,489,668.43/5,353,470.28 - Step 6: Final answer
x = 3,238,794.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.