Finding the Fourth Proportional to 1,946,801.10, 2,920,201.65 and 1,274,954.70
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Solution
The fourth proportional to 1,946,801.10, 2,920,201.65 and 1,274,954.70 is: 1,912,432.05
Step by Step Solution
- Step 1: Write the proportion equation
1,946,801.10 : 2,920,201.65 = 1,274,954.70 : x - Step 2: Convert to fraction form
1,946,801.10/2,920,201.65 = 1,274,954.70/x - Step 3: Cross multiply
1,946,801.10x = 2,920,201.65 × 1,274,954.70 - Step 4: Simplify right side
1,946,801.10x = 3,723,124,818,615.26 - Step 5: Solve for x
x = 3,723,124,818,615.26/1,946,801.10 - Step 6: Final answer
x = 1,912,432.05
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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.