Finding the Fourth Proportional to 2,661,215.16, 3,672,478.44 and 1,437,520.68
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Solution
The fourth proportional to 2,661,215.16, 3,672,478.44 and 1,437,520.68 is: 1,983,779.36
Step by Step Solution
- Step 1: Write the proportion equation
2,661,215.16 : 3,672,478.44 = 1,437,520.68 : x - Step 2: Convert to fraction form
2,661,215.16/3,672,478.44 = 1,437,520.68/x - Step 3: Cross multiply
2,661,215.16x = 3,672,478.44 × 1,437,520.68 - Step 4: Simplify right side
2,661,215.16x = 5,279,263,704,354.14 - Step 5: Solve for x
x = 5,279,263,704,354.14/2,661,215.16 - Step 6: Final answer
x = 1,983,779.36
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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.