Finding the Fourth Proportional to 2,243,749.28, 3,096,361.68 and 1,225,146.80
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Solution
The fourth proportional to 2,243,749.28, 3,096,361.68 and 1,225,146.80 is: 1,690,695.85
Step by Step Solution
- Step 1: Write the proportion equation
2,243,749.28 : 3,096,361.68 = 1,225,146.80 : x - Step 2: Convert to fraction form
2,243,749.28/3,096,361.68 = 1,225,146.80/x - Step 3: Cross multiply
2,243,749.28x = 3,096,361.68 × 1,225,146.80 - Step 4: Simplify right side
2,243,749.28x = 3,793,497,603,894.62 - Step 5: Solve for x
x = 3,793,497,603,894.62/2,243,749.28 - Step 6: Final answer
x = 1,690,695.85
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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.