Finding the Fourth Proportional to 3,213,956.88, 4,434,161.94 and 1,836,312.12
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Solution
The fourth proportional to 3,213,956.88, 4,434,161.94 and 1,836,312.12 is: 2,533,483.06
Step by Step Solution
- Step 1: Write the proportion equation
3,213,956.88 : 4,434,161.94 = 1,836,312.12 : x - Step 2: Convert to fraction form
3,213,956.88/4,434,161.94 = 1,836,312.12/x - Step 3: Cross multiply
3,213,956.88x = 4,434,161.94 × 1,836,312.12 - Step 4: Simplify right side
3,213,956.88x = 8,142,505,312,464.71 - Step 5: Solve for x
x = 8,142,505,312,464.71/3,213,956.88 - Step 6: Final answer
x = 2,533,483.06
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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.