Finding the Fourth Proportional to 2,176,929.68, 3,004,198.83 and 1,196,910.06
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Solution
The fourth proportional to 2,176,929.68, 3,004,198.83 and 1,196,910.06 is: 1,651,755.61
Step by Step Solution
- Step 1: Write the proportion equation
2,176,929.68 : 3,004,198.83 = 1,196,910.06 : x - Step 2: Convert to fraction form
2,176,929.68/3,004,198.83 = 1,196,910.06/x - Step 3: Cross multiply
2,176,929.68x = 3,004,198.83 × 1,196,910.06 - Step 4: Simplify right side
2,176,929.68x = 3,595,755,801,867.23 - Step 5: Solve for x
x = 3,595,755,801,867.23/2,176,929.68 - Step 6: Final answer
x = 1,651,755.61
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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.