Finding the Fourth Proportional to 6,245,785.99, 8,619,135.95 and 3,492,478.74
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Solution
The fourth proportional to 6,245,785.99, 8,619,135.95 and 3,492,478.74 is: 4,819,593.43
Step by Step Solution
- Step 1: Write the proportion equation
6,245,785.99 : 8,619,135.95 = 3,492,478.74 : x - Step 2: Convert to fraction form
6,245,785.99/8,619,135.95 = 3,492,478.74/x - Step 3: Cross multiply
6,245,785.99x = 8,619,135.95 × 3,492,478.74 - Step 4: Simplify right side
6,245,785.99x = 30,102,149,103,597.66 - Step 5: Solve for x
x = 30,102,149,103,597.66/6,245,785.99 - Step 6: Final answer
x = 4,819,593.43
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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.