Finding the Fourth Proportional to 6,245,786.99, 8,619,137.33 and 3,492,479.74
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Solution
The fourth proportional to 6,245,786.99, 8,619,137.33 and 3,492,479.74 is: 4,819,594.80
Step by Step Solution
- Step 1: Write the proportion equation
6,245,786.99 : 8,619,137.33 = 3,492,479.74 : x - Step 2: Convert to fraction form
6,245,786.99/8,619,137.33 = 3,492,479.74/x - Step 3: Cross multiply
6,245,786.99x = 8,619,137.33 × 3,492,479.74 - Step 4: Simplify right side
6,245,786.99x = 30,102,162,501,302.70 - Step 5: Solve for x
x = 30,102,162,501,302.70/6,245,786.99 - Step 6: Final answer
x = 4,819,594.80
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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.