Finding the Fourth Proportional to 2,798,891.10, 4,192,115.85 and 2,425,643.10
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Solution
The fourth proportional to 2,798,891.10, 4,192,115.85 and 2,425,643.10 is: 3,633,073.43
Step by Step Solution
- Step 1: Write the proportion equation
2,798,891.10 : 4,192,115.85 = 2,425,643.10 : x - Step 2: Convert to fraction form
2,798,891.10/4,192,115.85 = 2,425,643.10/x - Step 3: Cross multiply
2,798,891.10x = 4,192,115.85 × 2,425,643.10 - Step 4: Simplify right side
2,798,891.10x = 10,168,576,885,953.13 - Step 5: Solve for x
x = 10,168,576,885,953.13/2,798,891.10 - Step 6: Final answer
x = 3,633,073.43
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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.