Finding the Fourth Proportional to 5,907,811.68, 8,861,716.80 and 1,420,087.68
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Solution
The fourth proportional to 5,907,811.68, 8,861,716.80 and 1,420,087.68 is: 2,130,131.35
Step by Step Solution
- Step 1: Write the proportion equation
5,907,811.68 : 8,861,716.80 = 1,420,087.68 : x - Step 2: Convert to fraction form
5,907,811.68/8,861,716.80 = 1,420,087.68/x - Step 3: Cross multiply
5,907,811.68x = 8,861,716.80 × 1,420,087.68 - Step 4: Simplify right side
5,907,811.68x = 12,584,414,851,329.03 - Step 5: Solve for x
x = 12,584,414,851,329.03/5,907,811.68 - Step 6: Final answer
x = 2,130,131.35
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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.