Finding the Fourth Proportional to 3,239,378.16, 4,470,315.64 and 1,789,173
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Solution
The fourth proportional to 3,239,378.16, 4,470,315.64 and 1,789,173 is: 2,469,044.26
Step by Step Solution
- Step 1: Write the proportion equation
3,239,378.16 : 4,470,315.64 = 1,789,173 : x - Step 2: Convert to fraction form
3,239,378.16/4,470,315.64 = 1,789,173/x - Step 3: Cross multiply
3,239,378.16x = 4,470,315.64 × 1,789,173 - Step 4: Simplify right side
3,239,378.16x = 7,998,168,044,565.72 - Step 5: Solve for x
x = 7,998,168,044,565.72/3,239,378.16 - Step 6: Final answer
x = 2,469,044.26
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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.