Finding the Fourth Proportional to 1,535,745.11, 2,119,325.72 and 847,416.42
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Solution
The fourth proportional to 1,535,745.11, 2,119,325.72 and 847,416.42 is: 1,169,433.26
Step by Step Solution
- Step 1: Write the proportion equation
1,535,745.11 : 2,119,325.72 = 847,416.42 : x - Step 2: Convert to fraction form
1,535,745.11/2,119,325.72 = 847,416.42/x - Step 3: Cross multiply
1,535,745.11x = 2,119,325.72 × 847,416.42 - Step 4: Simplify right side
1,535,745.11x = 1,795,951,410,219.24 - Step 5: Solve for x
x = 1,795,951,410,219.24/1,535,745.11 - Step 6: Final answer
x = 1,169,433.26
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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.