Finding the Fourth Proportional to 1,900,197.12, 2,622,245.46 and 1,084,659.36
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Solution
The fourth proportional to 1,900,197.12, 2,622,245.46 and 1,084,659.36 is: 1,496,814.75
Step by Step Solution
- Step 1: Write the proportion equation
1,900,197.12 : 2,622,245.46 = 1,084,659.36 : x - Step 2: Convert to fraction form
1,900,197.12/2,622,245.46 = 1,084,659.36/x - Step 3: Cross multiply
1,900,197.12x = 2,622,245.46 × 1,084,659.36 - Step 4: Simplify right side
1,900,197.12x = 2,844,243,082,406.51 - Step 5: Solve for x
x = 2,844,243,082,406.51/1,900,197.12 - Step 6: Final answer
x = 1,496,814.75
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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.