Finding the Fourth Proportional to 2,133,195.21, 2,943,789.26 and 1,166,315.22
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Solution
The fourth proportional to 2,133,195.21, 2,943,789.26 and 1,166,315.22 is: 1,609,504.00
Step by Step Solution
- Step 1: Write the proportion equation
2,133,195.21 : 2,943,789.26 = 1,166,315.22 : x - Step 2: Convert to fraction form
2,133,195.21/2,943,789.26 = 1,166,315.22/x - Step 3: Cross multiply
2,133,195.21x = 2,943,789.26 × 1,166,315.22 - Step 4: Simplify right side
2,133,195.21x = 3,433,386,218,410.54 - Step 5: Solve for x
x = 3,433,386,218,410.54/2,133,195.21 - Step 6: Final answer
x = 1,609,504.00
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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.