Finding the Fourth Proportional to 5,555,021.42, 8,324,966.46 and 3,127,332.62
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Solution
The fourth proportional to 5,555,021.42, 8,324,966.46 and 3,127,332.62 is: 4,686,739.65
Step by Step Solution
- Step 1: Write the proportion equation
5,555,021.42 : 8,324,966.46 = 3,127,332.62 : x - Step 2: Convert to fraction form
5,555,021.42/8,324,966.46 = 3,127,332.62/x - Step 3: Cross multiply
5,555,021.42x = 8,324,966.46 × 3,127,332.62 - Step 4: Simplify right side
5,555,021.42x = 26,034,939,170,763.93 - Step 5: Solve for x
x = 26,034,939,170,763.93/5,555,021.42 - Step 6: Final answer
x = 4,686,739.65
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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.