Finding the Fourth Proportional to 1,586,204.16, 2,378,489.76 and 639,320.64
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Solution
The fourth proportional to 1,586,204.16, 2,378,489.76 and 639,320.64 is: 958,651.88
Step by Step Solution
- Step 1: Write the proportion equation
1,586,204.16 : 2,378,489.76 = 639,320.64 : x - Step 2: Convert to fraction form
1,586,204.16/2,378,489.76 = 639,320.64/x - Step 3: Cross multiply
1,586,204.16x = 2,378,489.76 × 639,320.64 - Step 4: Simplify right side
1,586,204.16x = 1,520,617,595,596.65 - Step 5: Solve for x
x = 1,520,617,595,596.65/1,586,204.16 - Step 6: Final answer
x = 958,651.88
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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.