Finding the Fourth Proportional to 5,153,805.56, 7,723,983.31 and 2,879,238.08
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Solution
The fourth proportional to 5,153,805.56, 7,723,983.31 and 2,879,238.08 is: 4,315,100.10
Step by Step Solution
- Step 1: Write the proportion equation
5,153,805.56 : 7,723,983.31 = 2,879,238.08 : x - Step 2: Convert to fraction form
5,153,805.56/7,723,983.31 = 2,879,238.08/x - Step 3: Cross multiply
5,153,805.56x = 7,723,983.31 × 2,879,238.08 - Step 4: Simplify right side
5,153,805.56x = 22,239,186,852,198.76 - Step 5: Solve for x
x = 22,239,186,852,198.76/5,153,805.56 - Step 6: Final answer
x = 4,315,100.10
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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.