Finding the Fourth Proportional to 4,209,879.51, 5,809,628.76 and 2,276,135.49
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Solution
The fourth proportional to 4,209,879.51, 5,809,628.76 and 2,276,135.49 is: 3,141,064.29
Step by Step Solution
- Step 1: Write the proportion equation
4,209,879.51 : 5,809,628.76 = 2,276,135.49 : x - Step 2: Convert to fraction form
4,209,879.51/5,809,628.76 = 2,276,135.49/x - Step 3: Cross multiply
4,209,879.51x = 5,809,628.76 × 2,276,135.49 - Step 4: Simplify right side
4,209,879.51x = 13,223,502,204,360.69 - Step 5: Solve for x
x = 13,223,502,204,360.69/4,209,879.51 - Step 6: Final answer
x = 3,141,064.29
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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.