Finding the Fourth Proportional to 4,122,407.70, 6,183,611.55 and 3,059,525.70
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Solution
The fourth proportional to 4,122,407.70, 6,183,611.55 and 3,059,525.70 is: 4,589,288.55
Step by Step Solution
- Step 1: Write the proportion equation
4,122,407.70 : 6,183,611.55 = 3,059,525.70 : x - Step 2: Convert to fraction form
4,122,407.70/6,183,611.55 = 3,059,525.70/x - Step 3: Cross multiply
4,122,407.70x = 6,183,611.55 × 3,059,525.70 - Step 4: Simplify right side
4,122,407.70x = 18,918,918,456,041.84 - Step 5: Solve for x
x = 18,918,918,456,041.84/4,122,407.70 - Step 6: Final answer
x = 4,589,288.55
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Double scale
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Similar ratio
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1.5x scale
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.