Finding the Fourth Proportional to 6,498,432.99, 8,968,168.20 and 3,598,142.94
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Solution
The fourth proportional to 6,498,432.99, 8,968,168.20 and 3,598,142.94 is: 4,965,620.35
Step by Step Solution
- Step 1: Write the proportion equation
6,498,432.99 : 8,968,168.20 = 3,598,142.94 : x - Step 2: Convert to fraction form
6,498,432.99/8,968,168.20 = 3,598,142.94/x - Step 3: Cross multiply
6,498,432.99x = 8,968,168.20 × 3,598,142.94 - Step 4: Simplify right side
6,498,432.99x = 32,268,751,093,562.50 - Step 5: Solve for x
x = 32,268,751,093,562.50/6,498,432.99 - Step 6: Final answer
x = 4,965,620.35
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1.5x scale
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.