Finding the Fourth Proportional to 2,420,631.36, 3,340,338.96 and 1,332,696.30
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Solution
The fourth proportional to 2,420,631.36, 3,340,338.96 and 1,332,696.30 is: 1,839,048.05
Step by Step Solution
- Step 1: Write the proportion equation
2,420,631.36 : 3,340,338.96 = 1,332,696.30 : x - Step 2: Convert to fraction form
2,420,631.36/3,340,338.96 = 1,332,696.30/x - Step 3: Cross multiply
2,420,631.36x = 3,340,338.96 × 1,332,696.30 - Step 4: Simplify right side
2,420,631.36x = 4,451,657,372,737.85 - Step 5: Solve for x
x = 4,451,657,372,737.85/2,420,631.36 - Step 6: Final answer
x = 1,839,048.05
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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.