Finding the Fourth Proportional to 7,204,386.98, 9,942,132.45 and 3,941,131.62
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Solution
The fourth proportional to 7,204,386.98, 9,942,132.45 and 3,941,131.62 is: 5,438,804.54
Step by Step Solution
- Step 1: Write the proportion equation
7,204,386.98 : 9,942,132.45 = 3,941,131.62 : x - Step 2: Convert to fraction form
7,204,386.98/9,942,132.45 = 3,941,131.62/x - Step 3: Cross multiply
7,204,386.98x = 9,942,132.45 × 3,941,131.62 - Step 4: Simplify right side
7,204,386.98x = 39,183,252,568,923.07 - Step 5: Solve for x
x = 39,183,252,568,923.07/7,204,386.98 - Step 6: Final answer
x = 5,438,804.54
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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.