Finding the Fourth Proportional to 2,176,939.68, 3,004,212.64 and 1,196,920.08
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Solution
The fourth proportional to 2,176,939.68, 3,004,212.64 and 1,196,920.08 is: 1,651,769.44
Step by Step Solution
- Step 1: Write the proportion equation
2,176,939.68 : 3,004,212.64 = 1,196,920.08 : x - Step 2: Convert to fraction form
2,176,939.68/3,004,212.64 = 1,196,920.08/x - Step 3: Cross multiply
2,176,939.68x = 3,004,212.64 × 1,196,920.08 - Step 4: Simplify right side
2,176,939.68x = 3,595,802,433,405.81 - Step 5: Solve for x
x = 3,595,802,433,405.81/2,176,939.68 - Step 6: Final answer
x = 1,651,769.44
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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.