Finding the Fourth Proportional to 2,235,709.70, 3,122,907.70 and 2,235,709.70
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Solution
The fourth proportional to 2,235,709.70, 3,122,907.70 and 2,235,709.70 is: 3,122,907.70
Step by Step Solution
- Step 1: Write the proportion equation
2,235,709.70 : 3,122,907.70 = 2,235,709.70 : x - Step 2: Convert to fraction form
2,235,709.70/3,122,907.70 = 2,235,709.70/x - Step 3: Cross multiply
2,235,709.70x = 3,122,907.70 × 2,235,709.70 - Step 4: Simplify right side
2,235,709.70x = 6,981,915,037,094.69 - Step 5: Solve for x
x = 6,981,915,037,094.69/2,235,709.70 - Step 6: Final answer
x = 3,122,907.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.