Finding the Fourth Proportional to 3,836,435.84, 5,294,281.92 and 2,117,556.82
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Solution
The fourth proportional to 3,836,435.84, 5,294,281.92 and 2,117,556.82 is: 2,922,228.67
Step by Step Solution
- Step 1: Write the proportion equation
3,836,435.84 : 5,294,281.92 = 2,117,556.82 : x - Step 2: Convert to fraction form
3,836,435.84/5,294,281.92 = 2,117,556.82/x - Step 3: Cross multiply
3,836,435.84x = 5,294,281.92 × 2,117,556.82 - Step 4: Simplify right side
3,836,435.84x = 11,210,942,786,698.69 - Step 5: Solve for x
x = 11,210,942,786,698.69/3,836,435.84 - Step 6: Final answer
x = 2,922,228.67
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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.