Finding the Fourth Proportional to 2,226,318.01, 3,072,324.77 and 1,207,722.76
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Solution
The fourth proportional to 2,226,318.01, 3,072,324.77 and 1,207,722.76 is: 1,666,660.62
Step by Step Solution
- Step 1: Write the proportion equation
2,226,318.01 : 3,072,324.77 = 1,207,722.76 : x - Step 2: Convert to fraction form
2,226,318.01/3,072,324.77 = 1,207,722.76/x - Step 3: Cross multiply
2,226,318.01x = 3,072,324.77 × 1,207,722.76 - Step 4: Simplify right side
2,226,318.01x = 3,710,516,541,650.30 - Step 5: Solve for x
x = 3,710,516,541,650.30/2,226,318.01 - Step 6: Final answer
x = 1,666,660.62
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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.