Finding the Fourth Proportional to 3,546,129.90, 5,319,942.14 and 1,149,787.68
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Solution
The fourth proportional to 3,546,129.90, 5,319,942.14 and 1,149,787.68 is: 1,724,923.82
Step by Step Solution
- Step 1: Write the proportion equation
3,546,129.90 : 5,319,942.14 = 1,149,787.68 : x - Step 2: Convert to fraction form
3,546,129.90/5,319,942.14 = 1,149,787.68/x - Step 3: Cross multiply
3,546,129.90x = 5,319,942.14 × 1,149,787.68 - Step 4: Simplify right side
3,546,129.90x = 6,116,803,930,884.83 - Step 5: Solve for x
x = 6,116,803,930,884.83/3,546,129.90 - Step 6: Final answer
x = 1,724,923.82
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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.