Finding the Fourth Proportional to 4,213,425.36, 5,812,872.63 and 2,447,022.99
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Solution
The fourth proportional to 4,213,425.36, 5,812,872.63 and 2,447,022.99 is: 3,375,930.92
Step by Step Solution
- Step 1: Write the proportion equation
4,213,425.36 : 5,812,872.63 = 2,447,022.99 : x - Step 2: Convert to fraction form
4,213,425.36/5,812,872.63 = 2,447,022.99/x - Step 3: Cross multiply
4,213,425.36x = 5,812,872.63 × 2,447,022.99 - Step 4: Simplify right side
4,213,425.36x = 14,224,232,963,551.77 - Step 5: Solve for x
x = 14,224,232,963,551.77/4,213,425.36 - Step 6: Final answer
x = 3,375,930.92
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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.