Finding the Fourth Proportional to 3,823,153.95, 5,275,911.87 and 2,104,237.56
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Solution
The fourth proportional to 3,823,153.95, 5,275,911.87 and 2,104,237.56 is: 2,903,825.50
Step by Step Solution
- Step 1: Write the proportion equation
3,823,153.95 : 5,275,911.87 = 2,104,237.56 : x - Step 2: Convert to fraction form
3,823,153.95/5,275,911.87 = 2,104,237.56/x - Step 3: Cross multiply
3,823,153.95x = 5,275,911.87 × 2,104,237.56 - Step 4: Simplify right side
3,823,153.95x = 11,101,771,920,103.84 - Step 5: Solve for x
x = 11,101,771,920,103.84/3,823,153.95 - Step 6: Final answer
x = 2,903,825.50
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Double scale
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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.