Finding the Fourth Proportional to 6,415,576.38, 8,853,495.15 and 3,515,077.14
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Solution
The fourth proportional to 6,415,576.38, 8,853,495.15 and 3,515,077.14 is: 4,850,806.31
Step by Step Solution
- Step 1: Write the proportion equation
6,415,576.38 : 8,853,495.15 = 3,515,077.14 : x - Step 2: Convert to fraction form
6,415,576.38/8,853,495.15 = 3,515,077.14/x - Step 3: Cross multiply
6,415,576.38x = 8,853,495.15 × 3,515,077.14 - Step 4: Simplify right side
6,415,576.38x = 31,120,718,410,865.88 - Step 5: Solve for x
x = 31,120,718,410,865.88/6,415,576.38 - Step 6: Final answer
x = 4,850,806.31
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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.