Finding the Fourth Proportional to 2,422,819.20, 3,343,512.92 and 1,335,129.70
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Solution
The fourth proportional to 2,422,819.20, 3,343,512.92 and 1,335,129.70 is: 1,842,491.34
Step by Step Solution
- Step 1: Write the proportion equation
2,422,819.20 : 3,343,512.92 = 1,335,129.70 : x - Step 2: Convert to fraction form
2,422,819.20/3,343,512.92 = 1,335,129.70/x - Step 3: Cross multiply
2,422,819.20x = 3,343,512.92 × 1,335,129.70 - Step 4: Simplify right side
2,422,819.20x = 4,464,023,397,653.44 - Step 5: Solve for x
x = 4,464,023,397,653.44/2,422,819.20 - Step 6: Final answer
x = 1,842,491.34
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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.