Finding the Fourth Proportional to 1,611,511.79, 2,223,928.35 and 886,378.54
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Solution
The fourth proportional to 1,611,511.79, 2,223,928.35 and 886,378.54 is: 1,223,225.53
Step by Step Solution
- Step 1: Write the proportion equation
1,611,511.79 : 2,223,928.35 = 886,378.54 : x - Step 2: Convert to fraction form
1,611,511.79/2,223,928.35 = 886,378.54/x - Step 3: Cross multiply
1,611,511.79x = 2,223,928.35 × 886,378.54 - Step 4: Simplify right side
1,611,511.79x = 1,971,242,367,397.22 - Step 5: Solve for x
x = 1,971,242,367,397.22/1,611,511.79 - Step 6: Final answer
x = 1,223,225.53
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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.