Finding the Fourth Proportional to 2,146,377.36, 2,960,767.44 and 1,340,161.68
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Solution
The fourth proportional to 2,146,377.36, 2,960,767.44 and 1,340,161.68 is: 1,848,653.06
Step by Step Solution
- Step 1: Write the proportion equation
2,146,377.36 : 2,960,767.44 = 1,340,161.68 : x - Step 2: Convert to fraction form
2,146,377.36/2,960,767.44 = 1,340,161.68/x - Step 3: Cross multiply
2,146,377.36x = 2,960,767.44 × 1,340,161.68 - Step 4: Simplify right side
2,146,377.36x = 3,967,907,066,479.70 - Step 5: Solve for x
x = 3,967,907,066,479.70/2,146,377.36 - Step 6: Final answer
x = 1,848,653.06
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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.