Finding the Fourth Proportional to 3,455,672.36, 4,769,776.38 and 2,005,834.88
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Solution
The fourth proportional to 3,455,672.36, 4,769,776.38 and 2,005,834.88 is: 2,768,602.70
Step by Step Solution
- Step 1: Write the proportion equation
3,455,672.36 : 4,769,776.38 = 2,005,834.88 : x - Step 2: Convert to fraction form
3,455,672.36/4,769,776.38 = 2,005,834.88/x - Step 3: Cross multiply
3,455,672.36x = 4,769,776.38 × 2,005,834.88 - Step 4: Simplify right side
3,455,672.36x = 9,567,383,832,804.13 - Step 5: Solve for x
x = 9,567,383,832,804.13/3,455,672.36 - Step 6: Final answer
x = 2,768,602.70
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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.