Finding the Fourth Proportional to 4,964,918.67, 7,447,367.07 and 1,321,649.36
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Solution
The fourth proportional to 4,964,918.67, 7,447,367.07 and 1,321,649.36 is: 1,982,471.13
Step by Step Solution
- Step 1: Write the proportion equation
4,964,918.67 : 7,447,367.07 = 1,321,649.36 : x - Step 2: Convert to fraction form
4,964,918.67/7,447,367.07 = 1,321,649.36/x - Step 3: Cross multiply
4,964,918.67x = 7,447,367.07 × 1,321,649.36 - Step 4: Simplify right side
4,964,918.67x = 9,842,807,923,927.09 - Step 5: Solve for x
x = 9,842,807,923,927.09/4,964,918.67 - Step 6: Final answer
x = 1,982,471.13
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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.