Finding the Fourth Proportional to 2,958,907.80, 4,434,438.12 and 1,519,533.06
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Solution
The fourth proportional to 2,958,907.80, 4,434,438.12 and 1,519,533.06 is: 2,277,284.65
Step by Step Solution
- Step 1: Write the proportion equation
2,958,907.80 : 4,434,438.12 = 1,519,533.06 : x - Step 2: Convert to fraction form
2,958,907.80/4,434,438.12 = 1,519,533.06/x - Step 3: Cross multiply
2,958,907.80x = 4,434,438.12 × 1,519,533.06 - Step 4: Simplify right side
2,958,907.80x = 6,738,275,325,864.25 - Step 5: Solve for x
x = 6,738,275,325,864.25/2,958,907.80 - Step 6: Final answer
x = 2,277,284.65
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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.