Finding the Fourth Proportional to 5,109,974.07, 7,661,177.58 and 3,087,744.48
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Solution
The fourth proportional to 5,109,974.07, 7,661,177.58 and 3,087,744.48 is: 4,629,330.49
Step by Step Solution
- Step 1: Write the proportion equation
5,109,974.07 : 7,661,177.58 = 3,087,744.48 : x - Step 2: Convert to fraction form
5,109,974.07/7,661,177.58 = 3,087,744.48/x - Step 3: Cross multiply
5,109,974.07x = 7,661,177.58 × 3,087,744.48 - Step 4: Simplify right side
5,109,974.07x = 23,655,758,782,944.76 - Step 5: Solve for x
x = 23,655,758,782,944.76/5,109,974.07 - Step 6: Final answer
x = 4,629,330.49
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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.