Finding the Fourth Proportional to 4,128,145.10, 6,193,201.80 and 1,996,476.20
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Solution
The fourth proportional to 4,128,145.10, 6,193,201.80 and 1,996,476.20 is: 2,995,190.26
Step by Step Solution
- Step 1: Write the proportion equation
4,128,145.10 : 6,193,201.80 = 1,996,476.20 : x - Step 2: Convert to fraction form
4,128,145.10/6,193,201.80 = 1,996,476.20/x - Step 3: Cross multiply
4,128,145.10x = 6,193,201.80 × 1,996,476.20 - Step 4: Simplify right side
4,128,145.10x = 12,364,579,995,497.16 - Step 5: Solve for x
x = 12,364,579,995,497.16/4,128,145.10 - Step 6: Final answer
x = 2,995,190.26
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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.