Finding the Fourth Proportional to 5,119,216.53, 7,064,507.41 and 2,943,759.88
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Solution
The fourth proportional to 5,119,216.53, 7,064,507.41 and 2,943,759.88 is: 4,062,382.08
Step by Step Solution
- Step 1: Write the proportion equation
5,119,216.53 : 7,064,507.41 = 2,943,759.88 : x - Step 2: Convert to fraction form
5,119,216.53/7,064,507.41 = 2,943,759.88/x - Step 3: Cross multiply
5,119,216.53x = 7,064,507.41 × 2,943,759.88 - Step 4: Simplify right side
5,119,216.53x = 20,796,213,488,545.37 - Step 5: Solve for x
x = 20,796,213,488,545.37/5,119,216.53 - Step 6: Final answer
x = 4,062,382.08
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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.