Finding the Fourth Proportional to 3,462,221.62, 4,777,777.65 and 1,934,340.18
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Solution
The fourth proportional to 3,462,221.62, 4,777,777.65 and 1,934,340.18 is: 2,669,340.18
Step by Step Solution
- Step 1: Write the proportion equation
3,462,221.62 : 4,777,777.65 = 1,934,340.18 : x - Step 2: Convert to fraction form
3,462,221.62/4,777,777.65 = 1,934,340.18/x - Step 3: Cross multiply
3,462,221.62x = 4,777,777.65 × 1,934,340.18 - Step 4: Simplify right side
3,462,221.62x = 9,241,847,279,500.98 - Step 5: Solve for x
x = 9,241,847,279,500.98/3,462,221.62 - Step 6: Final answer
x = 2,669,340.18
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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.