Finding the Fourth Proportional to 4,873,462.37, 7,310,435.48 and 1,279,239.65
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Solution
The fourth proportional to 4,873,462.37, 7,310,435.48 and 1,279,239.65 is: 1,918,922.98
Step by Step Solution
- Step 1: Write the proportion equation
4,873,462.37 : 7,310,435.48 = 1,279,239.65 : x - Step 2: Convert to fraction form
4,873,462.37/7,310,435.48 = 1,279,239.65/x - Step 3: Cross multiply
4,873,462.37x = 7,310,435.48 × 1,279,239.65 - Step 4: Simplify right side
4,873,462.37x = 9,351,798,918,386.58 - Step 5: Solve for x
x = 9,351,798,918,386.58/4,873,462.37 - Step 6: Final answer
x = 1,918,922.98
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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.