Finding the Fourth Proportional to 3,026,721.30, 4,174,512.12 and 1,939,093.26
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Solution
The fourth proportional to 3,026,721.30, 4,174,512.12 and 1,939,093.26 is: 2,674,434.65
Step by Step Solution
- Step 1: Write the proportion equation
3,026,721.30 : 4,174,512.12 = 1,939,093.26 : x - Step 2: Convert to fraction form
3,026,721.30/4,174,512.12 = 1,939,093.26/x - Step 3: Cross multiply
3,026,721.30x = 4,174,512.12 × 1,939,093.26 - Step 4: Simplify right side
3,026,721.30x = 8,094,768,315,680.31 - Step 5: Solve for x
x = 8,094,768,315,680.31/3,026,721.30 - Step 6: Final answer
x = 2,674,434.65
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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.