Finding the Fourth Proportional to 2,130,028.85, 3,192,676.16 and 1,622,917.62
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Solution
The fourth proportional to 2,130,028.85, 3,192,676.16 and 1,622,917.62 is: 2,432,572.86
Step by Step Solution
- Step 1: Write the proportion equation
2,130,028.85 : 3,192,676.16 = 1,622,917.62 : x - Step 2: Convert to fraction form
2,130,028.85/3,192,676.16 = 1,622,917.62/x - Step 3: Cross multiply
2,130,028.85x = 3,192,676.16 × 1,622,917.62 - Step 4: Simplify right side
2,130,028.85x = 5,181,450,386,903.35 - Step 5: Solve for x
x = 5,181,450,386,903.35/2,130,028.85 - Step 6: Final answer
x = 2,432,572.86
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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.