Finding the Fourth Proportional to 4,128,163.41, 5,696,941.86 and 2,292,791.70
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Solution
The fourth proportional to 4,128,163.41, 5,696,941.86 and 2,292,791.70 is: 3,164,094.95
Step by Step Solution
- Step 1: Write the proportion equation
4,128,163.41 : 5,696,941.86 = 2,292,791.70 : x - Step 2: Convert to fraction form
4,128,163.41/5,696,941.86 = 2,292,791.70/x - Step 3: Cross multiply
4,128,163.41x = 5,696,941.86 × 2,292,791.70 - Step 4: Simplify right side
4,128,163.41x = 13,061,901,011,990.56 - Step 5: Solve for x
x = 13,061,901,011,990.56/4,128,163.41 - Step 6: Final answer
x = 3,164,094.95
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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.