Finding the Fourth Proportional to 4,228,936.56, 5,835,988.44 and 2,295,220.32
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Solution
The fourth proportional to 4,228,936.56, 5,835,988.44 and 2,295,220.32 is: 3,167,434.43
Step by Step Solution
- Step 1: Write the proportion equation
4,228,936.56 : 5,835,988.44 = 2,295,220.32 : x - Step 2: Convert to fraction form
4,228,936.56/5,835,988.44 = 2,295,220.32/x - Step 3: Cross multiply
4,228,936.56x = 5,835,988.44 × 2,295,220.32 - Step 4: Simplify right side
4,228,936.56x = 13,394,879,254,773.10 - Step 5: Solve for x
x = 13,394,879,254,773.10/4,228,936.56 - Step 6: Final answer
x = 3,167,434.43
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1.5x scale
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.