Finding the Fourth Proportional to 1,611,619.12, 2,223,987.94 and 886,466.80
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Solution
The fourth proportional to 1,611,619.12, 2,223,987.94 and 886,466.80 is: 1,223,298.64
Step by Step Solution
- Step 1: Write the proportion equation
1,611,619.12 : 2,223,987.94 = 886,466.80 : x - Step 2: Convert to fraction form
1,611,619.12/2,223,987.94 = 886,466.80/x - Step 3: Cross multiply
1,611,619.12x = 2,223,987.94 × 886,466.80 - Step 4: Simplify right side
1,611,619.12x = 1,971,491,472,410.39 - Step 5: Solve for x
x = 1,971,491,472,410.39/1,611,619.12 - Step 6: Final answer
x = 1,223,298.64
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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.