Finding the Fourth Proportional to 2,162,262.08, 2,983,983.95 and 1,195,454.65
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Solution
The fourth proportional to 2,162,262.08, 2,983,983.95 and 1,195,454.65 is: 1,649,761.85
Step by Step Solution
- Step 1: Write the proportion equation
2,162,262.08 : 2,983,983.95 = 1,195,454.65 : x - Step 2: Convert to fraction form
2,162,262.08/2,983,983.95 = 1,195,454.65/x - Step 3: Cross multiply
2,162,262.08x = 2,983,983.95 × 1,195,454.65 - Step 4: Simplify right side
2,162,262.08x = 3,567,217,488,552.87 - Step 5: Solve for x
x = 3,567,217,488,552.87/2,162,262.08 - Step 6: Final answer
x = 1,649,761.85
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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.