Finding the Fourth Proportional to 3,415,944.42, 4,712,137.07 and 2,190,886.65
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Solution
The fourth proportional to 3,415,944.42, 4,712,137.07 and 2,190,886.65 is: 3,022,226.63
Step by Step Solution
- Step 1: Write the proportion equation
3,415,944.42 : 4,712,137.07 = 2,190,886.65 : x - Step 2: Convert to fraction form
3,415,944.42/4,712,137.07 = 2,190,886.65/x - Step 3: Cross multiply
3,415,944.42x = 4,712,137.07 × 2,190,886.65 - Step 4: Simplify right side
3,415,944.42x = 10,323,758,188,678.68 - Step 5: Solve for x
x = 10,323,758,188,678.68/3,415,944.42 - Step 6: Final answer
x = 3,022,226.63
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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.