Finding the Fourth Proportional to 6,220,260.21, 8,583,998.93 and 3,467,122.20
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Solution
The fourth proportional to 6,220,260.21, 8,583,998.93 and 3,467,122.20 is: 4,784,650.84
Step by Step Solution
- Step 1: Write the proportion equation
6,220,260.21 : 8,583,998.93 = 3,467,122.20 : x - Step 2: Convert to fraction form
6,220,260.21/8,583,998.93 = 3,467,122.20/x - Step 3: Cross multiply
6,220,260.21x = 8,583,998.93 × 3,467,122.20 - Step 4: Simplify right side
6,220,260.21x = 29,761,773,263,647.05 - Step 5: Solve for x
x = 29,761,773,263,647.05/6,220,260.21 - Step 6: Final answer
x = 4,784,650.84
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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.