Finding the Fourth Proportional to 4,230,858.42, 5,843,391.84 and 2,851,823.70
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Solution
The fourth proportional to 4,230,858.42, 5,843,391.84 and 2,851,823.70 is: 3,938,757.03
Step by Step Solution
- Step 1: Write the proportion equation
4,230,858.42 : 5,843,391.84 = 2,851,823.70 : x - Step 2: Convert to fraction form
4,230,858.42/5,843,391.84 = 2,851,823.70/x - Step 3: Cross multiply
4,230,858.42x = 5,843,391.84 × 2,851,823.70 - Step 4: Simplify right side
4,230,858.42x = 16,664,323,337,698.61 - Step 5: Solve for x
x = 16,664,323,337,698.61/4,230,858.42 - Step 6: Final answer
x = 3,938,757.03
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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.