Finding the Fourth Proportional to 5,323,682.40, 7,985,523.60 and 3,197,918.40
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Solution
The fourth proportional to 5,323,682.40, 7,985,523.60 and 3,197,918.40 is: 4,796,877.60
Step by Step Solution
- Step 1: Write the proportion equation
5,323,682.40 : 7,985,523.60 = 3,197,918.40 : x - Step 2: Convert to fraction form
5,323,682.40/7,985,523.60 = 3,197,918.40/x - Step 3: Cross multiply
5,323,682.40x = 7,985,523.60 × 3,197,918.40 - Step 4: Simplify right side
5,323,682.40x = 25,537,052,854,074.24 - Step 5: Solve for x
x = 25,537,052,854,074.24/5,323,682.40 - Step 6: Final answer
x = 4,796,877.60
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1.5x scale
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.