Finding the Fourth Proportional to 7,107,609.74, 10,661,406.37 and 2,315,291.31
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Solution
The fourth proportional to 7,107,609.74, 10,661,406.37 and 2,315,291.31 is: 3,472,934.28
Step by Step Solution
- Step 1: Write the proportion equation
7,107,609.74 : 10,661,406.37 = 2,315,291.31 : x - Step 2: Convert to fraction form
7,107,609.74/10,661,406.37 = 2,315,291.31/x - Step 3: Cross multiply
7,107,609.74x = 10,661,406.37 × 2,315,291.31 - Step 4: Simplify right side
7,107,609.74x = 24,684,261,515,051.42 - Step 5: Solve for x
x = 24,684,261,515,051.42/7,107,609.74 - Step 6: Final answer
x = 3,472,934.28
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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.