Finding the Fourth Proportional to 5,500,993.85, 8,249,622.21 and 1,905,921.68
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Solution
The fourth proportional to 5,500,993.85, 8,249,622.21 and 1,905,921.68 is: 2,858,235.12
Step by Step Solution
- Step 1: Write the proportion equation
5,500,993.85 : 8,249,622.21 = 1,905,921.68 : x - Step 2: Convert to fraction form
5,500,993.85/8,249,622.21 = 1,905,921.68/x - Step 3: Cross multiply
5,500,993.85x = 8,249,622.21 × 1,905,921.68 - Step 4: Simplify right side
5,500,993.85x = 15,723,133,821,848.51 - Step 5: Solve for x
x = 15,723,133,821,848.51/5,500,993.85 - Step 6: Final answer
x = 2,858,235.12
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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.