Finding the Fourth Proportional to 1,611,203.61, 2,223,518.06 and 886,107.41
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Solution
The fourth proportional to 1,611,203.61, 2,223,518.06 and 886,107.41 is: 1,222,859.61
Step by Step Solution
- Step 1: Write the proportion equation
1,611,203.61 : 2,223,518.06 = 886,107.41 : x - Step 2: Convert to fraction form
1,611,203.61/2,223,518.06 = 886,107.41/x - Step 3: Cross multiply
1,611,203.61x = 2,223,518.06 × 886,107.41 - Step 4: Simplify right side
1,611,203.61x = 1,970,275,820,332.50 - Step 5: Solve for x
x = 1,970,275,820,332.50/1,611,203.61 - Step 6: Final answer
x = 1,222,859.61
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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.