Finding the Fourth Proportional to 2,177,503.07, 3,266,043.53 and 661,199.31
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Solution
The fourth proportional to 2,177,503.07, 3,266,043.53 and 661,199.31 is: 991,734.87
Step by Step Solution
- Step 1: Write the proportion equation
2,177,503.07 : 3,266,043.53 = 661,199.31 : x - Step 2: Convert to fraction form
2,177,503.07/3,266,043.53 = 661,199.31/x - Step 3: Cross multiply
2,177,503.07x = 3,266,043.53 × 661,199.31 - Step 4: Simplify right side
2,177,503.07x = 2,159,505,725,159.97 - Step 5: Solve for x
x = 2,159,505,725,159.97/2,177,503.07 - Step 6: Final answer
x = 991,734.87
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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.