Finding the Fourth Proportional to 3,791,201.80, 5,686,802.70 and 2,356,311.10
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Solution
The fourth proportional to 3,791,201.80, 5,686,802.70 and 2,356,311.10 is: 3,534,466.65
Step by Step Solution
- Step 1: Write the proportion equation
3,791,201.80 : 5,686,802.70 = 2,356,311.10 : x - Step 2: Convert to fraction form
3,791,201.80/5,686,802.70 = 2,356,311.10/x - Step 3: Cross multiply
3,791,201.80x = 5,686,802.70 × 2,356,311.10 - Step 4: Simplify right side
3,791,201.80x = 13,399,876,325,519.97 - Step 5: Solve for x
x = 13,399,876,325,519.97/3,791,201.80 - Step 6: Final answer
x = 3,534,466.65
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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.