Finding the Fourth Proportional to 4,279,171.39, 5,905,244.31 and 2,345,425.99
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Solution
The fourth proportional to 4,279,171.39, 5,905,244.31 and 2,345,425.99 is: 3,236,681.18
Step by Step Solution
- Step 1: Write the proportion equation
4,279,171.39 : 5,905,244.31 = 2,345,425.99 : x - Step 2: Convert to fraction form
4,279,171.39/5,905,244.31 = 2,345,425.99/x - Step 3: Cross multiply
4,279,171.39x = 5,905,244.31 × 2,345,425.99 - Step 4: Simplify right side
4,279,171.39x = 13,850,313,502,600.29 - Step 5: Solve for x
x = 13,850,313,502,600.29/4,279,171.39 - Step 6: Final answer
x = 3,236,681.18
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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.