Finding the Fourth Proportional to 4,158,079.40, 6,237,119.10 and 2,555,445.80
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Solution
The fourth proportional to 4,158,079.40, 6,237,119.10 and 2,555,445.80 is: 3,833,168.70
Step by Step Solution
- Step 1: Write the proportion equation
4,158,079.40 : 6,237,119.10 = 2,555,445.80 : x - Step 2: Convert to fraction form
4,158,079.40/6,237,119.10 = 2,555,445.80/x - Step 3: Cross multiply
4,158,079.40x = 6,237,119.10 × 2,555,445.80 - Step 4: Simplify right side
4,158,079.40x = 15,938,619,808,194.78 - Step 5: Solve for x
x = 15,938,619,808,194.78/4,158,079.40 - Step 6: Final answer
x = 3,833,168.70
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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.