Finding the Fourth Proportional to 5,286,432.24, 7,929,976.68 and 1,500,211.44
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Solution
The fourth proportional to 5,286,432.24, 7,929,976.68 and 1,500,211.44 is: 2,250,410.33
Step by Step Solution
- Step 1: Write the proportion equation
5,286,432.24 : 7,929,976.68 = 1,500,211.44 : x - Step 2: Convert to fraction form
5,286,432.24/7,929,976.68 = 1,500,211.44/x - Step 3: Cross multiply
5,286,432.24x = 7,929,976.68 × 1,500,211.44 - Step 4: Simplify right side
5,286,432.24x = 11,896,641,734,269.22 - Step 5: Solve for x
x = 11,896,641,734,269.22/5,286,432.24 - Step 6: Final answer
x = 2,250,410.33
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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.