Finding the Fourth Proportional to 5,462,542.98, 7,537,183.83 and 3,138,986.70
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Solution
The fourth proportional to 5,462,542.98, 7,537,183.83 and 3,138,986.70 is: 4,331,154.90
Step by Step Solution
- Step 1: Write the proportion equation
5,462,542.98 : 7,537,183.83 = 3,138,986.70 : x - Step 2: Convert to fraction form
5,462,542.98/7,537,183.83 = 3,138,986.70/x - Step 3: Cross multiply
5,462,542.98x = 7,537,183.83 × 3,138,986.70 - Step 4: Simplify right side
5,462,542.98x = 23,659,119,797,825.06 - Step 5: Solve for x
x = 23,659,119,797,825.06/5,462,542.98 - Step 6: Final answer
x = 4,331,154.90
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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.