Finding the Fourth Proportional to 2,081,462.70, 3,121,416.45 and 1,448,496.30
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Solution
The fourth proportional to 2,081,462.70, 3,121,416.45 and 1,448,496.30 is: 2,172,203.32
Step by Step Solution
- Step 1: Write the proportion equation
2,081,462.70 : 3,121,416.45 = 1,448,496.30 : x - Step 2: Convert to fraction form
2,081,462.70/3,121,416.45 = 1,448,496.30/x - Step 3: Cross multiply
2,081,462.70x = 3,121,416.45 × 1,448,496.30 - Step 4: Simplify right side
2,081,462.70x = 4,521,360,178,584.14 - Step 5: Solve for x
x = 4,521,360,178,584.14/2,081,462.70 - Step 6: Final answer
x = 2,172,203.32
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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.