Finding the Fourth Proportional to 1,630,846.20, 2,445,102.90 and 731,551.80
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Solution
The fourth proportional to 1,630,846.20, 2,445,102.90 and 731,551.80 is: 1,096,804.49
Step by Step Solution
- Step 1: Write the proportion equation
1,630,846.20 : 2,445,102.90 = 731,551.80 : x - Step 2: Convert to fraction form
1,630,846.20/2,445,102.90 = 731,551.80/x - Step 3: Cross multiply
1,630,846.20x = 2,445,102.90 × 731,551.80 - Step 4: Simplify right side
1,630,846.20x = 1,788,719,427,680.22 - Step 5: Solve for x
x = 1,788,719,427,680.22/1,630,846.20 - Step 6: Final answer
x = 1,096,804.49
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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.