Finding the Fourth Proportional to 2,094,243.22, 2,889,224.61 and 1,211,029.18
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Solution
The fourth proportional to 2,094,243.22, 2,889,224.61 and 1,211,029.18 is: 1,670,739.70
Step by Step Solution
- Step 1: Write the proportion equation
2,094,243.22 : 2,889,224.61 = 1,211,029.18 : x - Step 2: Convert to fraction form
2,094,243.22/2,889,224.61 = 1,211,029.18/x - Step 3: Cross multiply
2,094,243.22x = 2,889,224.61 × 1,211,029.18 - Step 4: Simplify right side
2,094,243.22x = 3,498,935,298,519.70 - Step 5: Solve for x
x = 3,498,935,298,519.70/2,094,243.22 - Step 6: Final answer
x = 1,670,739.70
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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.