Finding the Fourth Proportional to 3,211,116.75, 4,431,475.58 and 1,760,868.05
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Solution
The fourth proportional to 3,211,116.75, 4,431,475.58 and 1,760,868.05 is: 2,430,071.64
Step by Step Solution
- Step 1: Write the proportion equation
3,211,116.75 : 4,431,475.58 = 1,760,868.05 : x - Step 2: Convert to fraction form
3,211,116.75/4,431,475.58 = 1,760,868.05/x - Step 3: Cross multiply
3,211,116.75x = 4,431,475.58 × 1,760,868.05 - Step 4: Simplify right side
3,211,116.75x = 7,803,243,732,215.50 - Step 5: Solve for x
x = 7,803,243,732,215.50/3,211,116.75 - Step 6: Final answer
x = 2,430,071.64
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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.