Finding the Fourth Proportional to 3,400,100.40, 5,100,145.12 and 2,331,903.99
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Solution
The fourth proportional to 3,400,100.40, 5,100,145.12 and 2,331,903.99 is: 3,497,852.23
Step by Step Solution
- Step 1: Write the proportion equation
3,400,100.40 : 5,100,145.12 = 2,331,903.99 : x - Step 2: Convert to fraction form
3,400,100.40/5,100,145.12 = 2,331,903.99/x - Step 3: Cross multiply
3,400,100.40x = 5,100,145.12 × 2,331,903.99 - Step 4: Simplify right side
3,400,100.40x = 11,893,048,754,907.03 - Step 5: Solve for x
x = 11,893,048,754,907.03/3,400,100.40 - Step 6: Final answer
x = 3,497,852.23
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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.