Finding the Fourth Proportional to 5,742,873.14, 8,614,476.58 and 2,147,954.10
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Solution
The fourth proportional to 5,742,873.14, 8,614,476.58 and 2,147,954.10 is: 3,221,993.56
Step by Step Solution
- Step 1: Write the proportion equation
5,742,873.14 : 8,614,476.58 = 2,147,954.10 : x - Step 2: Convert to fraction form
5,742,873.14/8,614,476.58 = 2,147,954.10/x - Step 3: Cross multiply
5,742,873.14x = 8,614,476.58 × 2,147,954.10 - Step 4: Simplify right side
5,742,873.14x = 18,503,500,289,364.98 - Step 5: Solve for x
x = 18,503,500,289,364.98/5,742,873.14 - Step 6: Final answer
x = 3,221,993.56
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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.