Finding the Fourth Proportional to 2,929,202.73, 4,042,724.18 and 1,640,126.21
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Solution
The fourth proportional to 2,929,202.73, 4,042,724.18 and 1,640,126.21 is: 2,263,611.80
Step by Step Solution
- Step 1: Write the proportion equation
2,929,202.73 : 4,042,724.18 = 1,640,126.21 : x - Step 2: Convert to fraction form
2,929,202.73/4,042,724.18 = 1,640,126.21/x - Step 3: Cross multiply
2,929,202.73x = 4,042,724.18 × 1,640,126.21 - Step 4: Simplify right side
2,929,202.73x = 6,630,577,859,004.51 - Step 5: Solve for x
x = 6,630,577,859,004.51/2,929,202.73 - Step 6: Final answer
x = 2,263,611.80
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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.