Finding the Fourth Proportional to 5,146,078.08, 7,102,437.84 and 2,854,976.88
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Solution
The fourth proportional to 5,146,078.08, 7,102,437.84 and 2,854,976.88 is: 3,940,339.71
Step by Step Solution
- Step 1: Write the proportion equation
5,146,078.08 : 7,102,437.84 = 2,854,976.88 : x - Step 2: Convert to fraction form
5,146,078.08/7,102,437.84 = 2,854,976.88/x - Step 3: Cross multiply
5,146,078.08x = 7,102,437.84 × 2,854,976.88 - Step 4: Simplify right side
5,146,078.08x = 20,277,295,824,837.14 - Step 5: Solve for x
x = 20,277,295,824,837.14/5,146,078.08 - Step 6: Final answer
x = 3,940,339.71
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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.