Finding the Fourth Proportional to 2,201,852.84, 3,301,986.87 and 762,145.07
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Solution
The fourth proportional to 2,201,852.84, 3,301,986.87 and 762,145.07 is: 1,142,943.33
Step by Step Solution
- Step 1: Write the proportion equation
2,201,852.84 : 3,301,986.87 = 762,145.07 : x - Step 2: Convert to fraction form
2,201,852.84/3,301,986.87 = 762,145.07/x - Step 3: Cross multiply
2,201,852.84x = 3,301,986.87 × 762,145.07 - Step 4: Simplify right side
2,201,852.84x = 2,516,593,014,175.23 - Step 5: Solve for x
x = 2,516,593,014,175.23/2,201,852.84 - Step 6: Final answer
x = 1,142,943.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.