Finding the Fourth Proportional to 3,763,439.36, 5,193,582.81 and 2,044,572.20
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Solution
The fourth proportional to 3,763,439.36, 5,193,582.81 and 2,044,572.20 is: 2,821,529.46
Step by Step Solution
- Step 1: Write the proportion equation
3,763,439.36 : 5,193,582.81 = 2,044,572.20 : x - Step 2: Convert to fraction form
3,763,439.36/5,193,582.81 = 2,044,572.20/x - Step 3: Cross multiply
3,763,439.36x = 5,193,582.81 × 2,044,572.20 - Step 4: Simplify right side
3,763,439.36x = 10,618,655,031,723.88 - Step 5: Solve for x
x = 10,618,655,031,723.88/3,763,439.36 - Step 6: Final answer
x = 2,821,529.46
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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.