Finding the Fourth Proportional to 2,340,902.80, 3,512,520.60 and 1,330,800.40
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Solution
The fourth proportional to 2,340,902.80, 3,512,520.60 and 1,330,800.40 is: 1,996,863.70
Step by Step Solution
- Step 1: Write the proportion equation
2,340,902.80 : 3,512,520.60 = 1,330,800.40 : x - Step 2: Convert to fraction form
2,340,902.80/3,512,520.60 = 1,330,800.40/x - Step 3: Cross multiply
2,340,902.80x = 3,512,520.60 × 1,330,800.40 - Step 4: Simplify right side
2,340,902.80x = 4,674,463,819,488.24 - Step 5: Solve for x
x = 4,674,463,819,488.24/2,340,902.80 - Step 6: Final answer
x = 1,996,863.70
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1.5x scale
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.