Finding the Fourth Proportional to 3,278,263.74, 4,917,017.34 and 881,920.05
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Solution
The fourth proportional to 3,278,263.74, 4,917,017.34 and 881,920.05 is: 1,322,778.31
Step by Step Solution
- Step 1: Write the proportion equation
3,278,263.74 : 4,917,017.34 = 881,920.05 : x - Step 2: Convert to fraction form
3,278,263.74/4,917,017.34 = 881,920.05/x - Step 3: Cross multiply
3,278,263.74x = 4,917,017.34 × 881,920.05 - Step 4: Simplify right side
3,278,263.74x = 4,336,416,178,343.67 - Step 5: Solve for x
x = 4,336,416,178,343.67/3,278,263.74 - Step 6: Final answer
x = 1,322,778.31
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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.