Finding the Fourth Proportional to 5,277,826.56, 7,283,370.24 and 2,863,326.72
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Solution
The fourth proportional to 5,277,826.56, 7,283,370.24 and 2,863,326.72 is: 3,951,374.37
Step by Step Solution
- Step 1: Write the proportion equation
5,277,826.56 : 7,283,370.24 = 2,863,326.72 : x - Step 2: Convert to fraction form
5,277,826.56/7,283,370.24 = 2,863,326.72/x - Step 3: Cross multiply
5,277,826.56x = 7,283,370.24 × 2,863,326.72 - Step 4: Simplify right side
5,277,826.56x = 20,854,668,619,844.82 - Step 5: Solve for x
x = 20,854,668,619,844.82/5,277,826.56 - Step 6: Final answer
x = 3,951,374.37
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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.