Finding the Fourth Proportional to 2,220,414.93, 3,064,181.83 and 1,201,819.68
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Solution
The fourth proportional to 2,220,414.93, 3,064,181.83 and 1,201,819.68 is: 1,658,516.15
Step by Step Solution
- Step 1: Write the proportion equation
2,220,414.93 : 3,064,181.83 = 1,201,819.68 : x - Step 2: Convert to fraction form
2,220,414.93/3,064,181.83 = 1,201,819.68/x - Step 3: Cross multiply
2,220,414.93x = 3,064,181.83 × 1,201,819.68 - Step 4: Simplify right side
2,220,414.93x = 3,682,594,023,387.87 - Step 5: Solve for x
x = 3,682,594,023,387.87/2,220,414.93 - Step 6: Final answer
x = 1,658,516.15
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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.