Finding the Fourth Proportional to 3,824,646.21, 5,735,632.41 and 1,128,255.84
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Solution
The fourth proportional to 3,824,646.21, 5,735,632.41 and 1,128,255.84 is: 1,691,989.38
Step by Step Solution
- Step 1: Write the proportion equation
3,824,646.21 : 5,735,632.41 = 1,128,255.84 : x - Step 2: Convert to fraction form
3,824,646.21/5,735,632.41 = 1,128,255.84/x - Step 3: Cross multiply
3,824,646.21x = 5,735,632.41 × 1,128,255.84 - Step 4: Simplify right side
3,824,646.21x = 6,471,260,762,675.78 - Step 5: Solve for x
x = 6,471,260,762,675.78/3,824,646.21 - Step 6: Final answer
x = 1,691,989.38
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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.