Finding the Fourth Proportional to 3,823,130.98, 5,275,920.45 and 2,080,812.85
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Solution
The fourth proportional to 3,823,130.98, 5,275,920.45 and 2,080,812.85 is: 2,871,521.58
Step by Step Solution
- Step 1: Write the proportion equation
3,823,130.98 : 5,275,920.45 = 2,080,812.85 : x - Step 2: Convert to fraction form
3,823,130.98/5,275,920.45 = 2,080,812.85/x - Step 3: Cross multiply
3,823,130.98x = 5,275,920.45 × 2,080,812.85 - Step 4: Simplify right side
3,823,130.98x = 10,978,203,092,228.08 - Step 5: Solve for x
x = 10,978,203,092,228.08/3,823,130.98 - Step 6: Final answer
x = 2,871,521.58
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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.