Finding the Fourth Proportional to 3,442,353.35, 4,750,608.25 and 1,991,768.19
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Solution
The fourth proportional to 3,442,353.35, 4,750,608.25 and 1,991,768.19 is: 2,748,733.04
Step by Step Solution
- Step 1: Write the proportion equation
3,442,353.35 : 4,750,608.25 = 1,991,768.19 : x - Step 2: Convert to fraction form
3,442,353.35/4,750,608.25 = 1,991,768.19/x - Step 3: Cross multiply
3,442,353.35x = 4,750,608.25 × 1,991,768.19 - Step 4: Simplify right side
3,442,353.35x = 9,462,110,395,501.57 - Step 5: Solve for x
x = 9,462,110,395,501.57/3,442,353.35 - Step 6: Final answer
x = 2,748,733.04
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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.