Finding the Fourth Proportional to 2,332,987.75, 3,219,523.14 and 1,259,899.75
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Solution
The fourth proportional to 2,332,987.75, 3,219,523.14 and 1,259,899.75 is: 1,738,661.68
Step by Step Solution
- Step 1: Write the proportion equation
2,332,987.75 : 3,219,523.14 = 1,259,899.75 : x - Step 2: Convert to fraction form
2,332,987.75/3,219,523.14 = 1,259,899.75/x - Step 3: Cross multiply
2,332,987.75x = 3,219,523.14 × 1,259,899.75 - Step 4: Simplify right side
2,332,987.75x = 4,056,276,399,205.22 - Step 5: Solve for x
x = 4,056,276,399,205.22/2,332,987.75 - Step 6: Final answer
x = 1,738,661.68
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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.