Finding the Fourth Proportional to 2,320,217.22, 3,201,921.60 and 1,301,643.84
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Solution
The fourth proportional to 2,320,217.22, 3,201,921.60 and 1,301,643.84 is: 1,796,280.75
Step by Step Solution
- Step 1: Write the proportion equation
2,320,217.22 : 3,201,921.60 = 1,301,643.84 : x - Step 2: Convert to fraction form
2,320,217.22/3,201,921.60 = 1,301,643.84/x - Step 3: Cross multiply
2,320,217.22x = 3,201,921.60 × 1,301,643.84 - Step 4: Simplify right side
2,320,217.22x = 4,167,761,526,802.94 - Step 5: Solve for x
x = 4,167,761,526,802.94/2,320,217.22 - Step 6: Final answer
x = 1,796,280.75
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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.