Finding the Fourth Proportional to 3,201,116.24, 4,417,272.15 and 1,805,600.75
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Solution
The fourth proportional to 3,201,116.24, 4,417,272.15 and 1,805,600.75 is: 2,491,577.72
Step by Step Solution
- Step 1: Write the proportion equation
3,201,116.24 : 4,417,272.15 = 1,805,600.75 : x - Step 2: Convert to fraction form
3,201,116.24/4,417,272.15 = 1,805,600.75/x - Step 3: Cross multiply
3,201,116.24x = 4,417,272.15 × 1,805,600.75 - Step 4: Simplify right side
3,201,116.24x = 7,975,829,906,994.11 - Step 5: Solve for x
x = 7,975,829,906,994.11/3,201,116.24 - Step 6: Final answer
x = 2,491,577.72
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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.