Finding the Fourth Proportional to 1,675,271.40, 2,512,907.10 and 664,634.40
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Solution
The fourth proportional to 1,675,271.40, 2,512,907.10 and 664,634.40 is: 996,951.60
Step by Step Solution
- Step 1: Write the proportion equation
1,675,271.40 : 2,512,907.10 = 664,634.40 : x - Step 2: Convert to fraction form
1,675,271.40/2,512,907.10 = 664,634.40/x - Step 3: Cross multiply
1,675,271.40x = 2,512,907.10 × 664,634.40 - Step 4: Simplify right side
1,675,271.40x = 1,670,164,502,664.24 - Step 5: Solve for x
x = 1,670,164,502,664.24/1,675,271.40 - Step 6: Final answer
x = 996,951.60
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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.