Finding the Fourth Proportional to 2,985,063.80, 4,477,595.70 and 741,201.80
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Solution
The fourth proportional to 2,985,063.80, 4,477,595.70 and 741,201.80 is: 1,111,802.70
Step by Step Solution
- Step 1: Write the proportion equation
2,985,063.80 : 4,477,595.70 = 741,201.80 : x - Step 2: Convert to fraction form
2,985,063.80/4,477,595.70 = 741,201.80/x - Step 3: Cross multiply
2,985,063.80x = 4,477,595.70 × 741,201.80 - Step 4: Simplify right side
2,985,063.80x = 3,318,801,992,512.26 - Step 5: Solve for x
x = 3,318,801,992,512.26/2,985,063.80 - Step 6: Final answer
x = 1,111,802.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.