Finding the Fourth Proportional to 3,768,192.20, 5,201,276.02 and 2,995,194.62
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Solution
The fourth proportional to 3,768,192.20, 5,201,276.02 and 2,995,194.62 is: 4,134,299.19
Step by Step Solution
- Step 1: Write the proportion equation
3,768,192.20 : 5,201,276.02 = 2,995,194.62 : x - Step 2: Convert to fraction form
3,768,192.20/5,201,276.02 = 2,995,194.62/x - Step 3: Cross multiply
3,768,192.20x = 5,201,276.02 × 2,995,194.62 - Step 4: Simplify right side
3,768,192.20x = 15,578,833,952,239.01 - Step 5: Solve for x
x = 15,578,833,952,239.01/3,768,192.20 - Step 6: Final answer
x = 4,134,299.19
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.