Finding the Fourth Proportional to 1,611,209.36, 2,223,525.98 and 886,113.20
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Solution
The fourth proportional to 1,611,209.36, 2,223,525.98 and 886,113.20 is: 1,222,867.60
Step by Step Solution
- Step 1: Write the proportion equation
1,611,209.36 : 2,223,525.98 = 886,113.20 : x - Step 2: Convert to fraction form
1,611,209.36/2,223,525.98 = 886,113.20/x - Step 3: Cross multiply
1,611,209.36x = 2,223,525.98 × 886,113.20 - Step 4: Simplify right side
1,611,209.36x = 1,970,295,721,420.94 - Step 5: Solve for x
x = 1,970,295,721,420.94/1,611,209.36 - Step 6: Final answer
x = 1,222,867.60
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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.