Finding the Fourth Proportional to 3,762,394.71, 5,191,215.24 and 2,213,723.98
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Solution
The fourth proportional to 3,762,394.71, 5,191,215.24 and 2,213,723.98 is: 3,054,415.75
Step by Step Solution
- Step 1: Write the proportion equation
3,762,394.71 : 5,191,215.24 = 2,213,723.98 : x - Step 2: Convert to fraction form
3,762,394.71/5,191,215.24 = 2,213,723.98/x - Step 3: Cross multiply
3,762,394.71x = 5,191,215.24 × 2,213,723.98 - Step 4: Simplify right side
3,762,394.71x = 11,491,917,662,129.46 - Step 5: Solve for x
x = 11,491,917,662,129.46/3,762,394.71 - Step 6: Final answer
x = 3,054,415.75
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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.