Finding the Fourth Proportional to 2,368,856.12, 3,267,516.48 and 1,553,112.68
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Solution
The fourth proportional to 2,368,856.12, 3,267,516.48 and 1,553,112.68 is: 2,142,308.79
Step by Step Solution
- Step 1: Write the proportion equation
2,368,856.12 : 3,267,516.48 = 1,553,112.68 : x - Step 2: Convert to fraction form
2,368,856.12/3,267,516.48 = 1,553,112.68/x - Step 3: Cross multiply
2,368,856.12x = 3,267,516.48 × 1,553,112.68 - Step 4: Simplify right side
2,368,856.12x = 5,074,821,277,196.97 - Step 5: Solve for x
x = 5,074,821,277,196.97/2,368,856.12 - Step 6: Final answer
x = 2,142,308.79
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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.