Finding the Fourth Proportional to 3,768,189.21, 5,197,887.39 and 2,370,528.23
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Solution
The fourth proportional to 3,768,189.21, 5,197,887.39 and 2,370,528.23 is: 3,269,936.32
Step by Step Solution
- Step 1: Write the proportion equation
3,768,189.21 : 5,197,887.39 = 2,370,528.23 : x - Step 2: Convert to fraction form
3,768,189.21/5,197,887.39 = 2,370,528.23/x - Step 3: Cross multiply
3,768,189.21x = 5,197,887.39 × 2,370,528.23 - Step 4: Simplify right side
3,768,189.21x = 12,321,738,768,366.58 - Step 5: Solve for x
x = 12,321,738,768,366.58/3,768,189.21 - Step 6: Final answer
x = 3,269,936.32
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1.5x scale
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.