Finding the Fourth Proportional to 3,069,141.44, 4,235,446.06 and 1,692,540.09
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Solution
The fourth proportional to 3,069,141.44, 4,235,446.06 and 1,692,540.09 is: 2,335,722.35
Step by Step Solution
- Step 1: Write the proportion equation
3,069,141.44 : 4,235,446.06 = 1,692,540.09 : x - Step 2: Convert to fraction form
3,069,141.44/4,235,446.06 = 1,692,540.09/x - Step 3: Cross multiply
3,069,141.44x = 4,235,446.06 × 1,692,540.09 - Step 4: Simplify right side
3,069,141.44x = 7,168,662,255,582.55 - Step 5: Solve for x
x = 7,168,662,255,582.55/3,069,141.44 - Step 6: Final answer
x = 2,335,722.35
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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.