Finding the Fourth Proportional to 4,867,238.05, 6,716,042.32 and 2,801,854.38
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Solution
The fourth proportional to 4,867,238.05, 6,716,042.32 and 2,801,854.38 is: 3,866,129.50
Step by Step Solution
- Step 1: Write the proportion equation
4,867,238.05 : 6,716,042.32 = 2,801,854.38 : x - Step 2: Convert to fraction form
4,867,238.05/6,716,042.32 = 2,801,854.38/x - Step 3: Cross multiply
4,867,238.05x = 6,716,042.32 × 2,801,854.38 - Step 4: Simplify right side
4,867,238.05x = 18,817,372,590,557.36 - Step 5: Solve for x
x = 18,817,372,590,557.36/4,867,238.05 - Step 6: Final answer
x = 3,866,129.50
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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.