Finding the Fourth Proportional to 4,211,420.24, 5,811,759.94 and 2,277,680.82
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Solution
The fourth proportional to 4,211,420.24, 5,811,759.94 and 2,277,680.82 is: 3,143,199.54
Step by Step Solution
- Step 1: Write the proportion equation
4,211,420.24 : 5,811,759.94 = 2,277,680.82 : x - Step 2: Convert to fraction form
4,211,420.24/5,811,759.94 = 2,277,680.82/x - Step 3: Cross multiply
4,211,420.24x = 5,811,759.94 × 2,277,680.82 - Step 4: Simplify right side
4,211,420.24x = 13,237,334,145,782.35 - Step 5: Solve for x
x = 13,237,334,145,782.35/4,211,420.24 - Step 6: Final answer
x = 3,143,199.54
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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.