Finding the Fourth Proportional to 1,777,918.42, 2,453,527.43 and 962,122.12
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Solution
The fourth proportional to 1,777,918.42, 2,453,527.43 and 962,122.12 is: 1,327,728.53
Step by Step Solution
- Step 1: Write the proportion equation
1,777,918.42 : 2,453,527.43 = 962,122.12 : x - Step 2: Convert to fraction form
1,777,918.42/2,453,527.43 = 962,122.12/x - Step 3: Cross multiply
1,777,918.42x = 2,453,527.43 × 962,122.12 - Step 4: Simplify right side
1,777,918.42x = 2,360,593,005,093.28 - Step 5: Solve for x
x = 2,360,593,005,093.28/1,777,918.42 - Step 6: Final answer
x = 1,327,728.53
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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.