Finding the Fourth Proportional to 3,839,963.10, 5,759,905.19 and 2,219,700.96
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Solution
The fourth proportional to 3,839,963.10, 5,759,905.19 and 2,219,700.96 is: 3,329,528.63
Step by Step Solution
- Step 1: Write the proportion equation
3,839,963.10 : 5,759,905.19 = 2,219,700.96 : x - Step 2: Convert to fraction form
3,839,963.10/5,759,905.19 = 2,219,700.96/x - Step 3: Cross multiply
3,839,963.10x = 5,759,905.19 × 2,219,700.96 - Step 4: Simplify right side
3,839,963.10x = 12,785,267,068,653.48 - Step 5: Solve for x
x = 12,785,267,068,653.48/3,839,963.10 - Step 6: Final answer
x = 3,329,528.63
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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.