Finding the Fourth Proportional to 2,911,867.38, 4,018,380.84 and 1,622,679.48
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Solution
The fourth proportional to 2,911,867.38, 4,018,380.84 and 1,622,679.48 is: 2,239,299.83
Step by Step Solution
- Step 1: Write the proportion equation
2,911,867.38 : 4,018,380.84 = 1,622,679.48 : x - Step 2: Convert to fraction form
2,911,867.38/4,018,380.84 = 1,622,679.48/x - Step 3: Cross multiply
2,911,867.38x = 4,018,380.84 × 1,622,679.48 - Step 4: Simplify right side
2,911,867.38x = 6,520,544,131,893.16 - Step 5: Solve for x
x = 6,520,544,131,893.16/2,911,867.38 - Step 6: Final answer
x = 2,239,299.83
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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.