Finding the Fourth Proportional to 3,681,485.99, 5,520,381.08 and 2,144,978.75
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Solution
The fourth proportional to 3,681,485.99, 5,520,381.08 and 2,144,978.75 is: 3,216,391.46
Step by Step Solution
- Step 1: Write the proportion equation
3,681,485.99 : 5,520,381.08 = 2,144,978.75 : x - Step 2: Convert to fraction form
3,681,485.99/5,520,381.08 = 2,144,978.75/x - Step 3: Cross multiply
3,681,485.99x = 5,520,381.08 × 2,144,978.75 - Step 4: Simplify right side
3,681,485.99x = 11,841,100,097,777.16 - Step 5: Solve for x
x = 11,841,100,097,777.16/3,681,485.99 - Step 6: Final answer
x = 3,216,391.46
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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.