Finding the Fourth Proportional to 5,285,714.44, 7,928,567.34 and 1,499,230.12
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Solution
The fourth proportional to 5,285,714.44, 7,928,567.34 and 1,499,230.12 is: 2,248,843.95
Step by Step Solution
- Step 1: Write the proportion equation
5,285,714.44 : 7,928,567.34 = 1,499,230.12 : x - Step 2: Convert to fraction form
5,285,714.44/7,928,567.34 = 1,499,230.12/x - Step 3: Cross multiply
5,285,714.44x = 7,928,567.34 × 1,499,230.12 - Step 4: Simplify right side
5,285,714.44x = 11,886,746,964,576.28 - Step 5: Solve for x
x = 11,886,746,964,576.28/5,285,714.44 - Step 6: Final answer
x = 2,248,843.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.