Finding the Fourth Proportional to 1,431,441.18, 2,147,862.15 and 673,359.14
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Solution
The fourth proportional to 1,431,441.18, 2,147,862.15 and 673,359.14 is: 1,010,368.18
Step by Step Solution
- Step 1: Write the proportion equation
1,431,441.18 : 2,147,862.15 = 673,359.14 : x - Step 2: Convert to fraction form
1,431,441.18/2,147,862.15 = 673,359.14/x - Step 3: Cross multiply
1,431,441.18x = 2,147,862.15 × 673,359.14 - Step 4: Simplify right side
1,431,441.18x = 1,446,282,615,532.21 - Step 5: Solve for x
x = 1,446,282,615,532.21/1,431,441.18 - Step 6: Final answer
x = 1,010,368.18
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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.