Finding the Fourth Proportional to 3,192,387.12, 4,405,587.84 and 1,742,176.24
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Solution
The fourth proportional to 3,192,387.12, 4,405,587.84 and 1,742,176.24 is: 2,404,254.30
Step by Step Solution
- Step 1: Write the proportion equation
3,192,387.12 : 4,405,587.84 = 1,742,176.24 : x - Step 2: Convert to fraction form
3,192,387.12/4,405,587.84 = 1,742,176.24/x - Step 3: Cross multiply
3,192,387.12x = 4,405,587.84 × 1,742,176.24 - Step 4: Simplify right side
3,192,387.12x = 7,675,310,458,080.92 - Step 5: Solve for x
x = 7,675,310,458,080.92/3,192,387.12 - Step 6: Final answer
x = 2,404,254.30
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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.