Finding the Fourth Proportional to 3,889,000.80, 5,833,501.20 and 3,534,415.20
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Solution
The fourth proportional to 3,889,000.80, 5,833,501.20 and 3,534,415.20 is: 5,301,622.80
Step by Step Solution
- Step 1: Write the proportion equation
3,889,000.80 : 5,833,501.20 = 3,534,415.20 : x - Step 2: Convert to fraction form
3,889,000.80/5,833,501.20 = 3,534,415.20/x - Step 3: Cross multiply
3,889,000.80x = 5,833,501.20 × 3,534,415.20 - Step 4: Simplify right side
3,889,000.80x = 20,618,015,310,498.24 - Step 5: Solve for x
x = 20,618,015,310,498.24/3,889,000.80 - Step 6: Final answer
x = 5,301,622.80
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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.