Finding the Fourth Proportional to 3,462,221.12, 4,777,776.96 and 1,934,339.68
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Solution
The fourth proportional to 3,462,221.12, 4,777,776.96 and 1,934,339.68 is: 2,669,339.49
Step by Step Solution
- Step 1: Write the proportion equation
3,462,221.12 : 4,777,776.96 = 1,934,339.68 : x - Step 2: Convert to fraction form
3,462,221.12/4,777,776.96 = 1,934,339.68/x - Step 3: Cross multiply
3,462,221.12x = 4,777,776.96 × 1,934,339.68 - Step 4: Simplify right side
3,462,221.12x = 9,241,843,555,917.77 - Step 5: Solve for x
x = 9,241,843,555,917.77/3,462,221.12 - Step 6: Final answer
x = 2,669,339.49
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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.