Finding the Fourth Proportional to 1,763,445.68, 2,433,580.26 and 1,321,136.55
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Solution
The fourth proportional to 1,763,445.68, 2,433,580.26 and 1,321,136.55 is: 1,823,187.34
Step by Step Solution
- Step 1: Write the proportion equation
1,763,445.68 : 2,433,580.26 = 1,321,136.55 : x - Step 2: Convert to fraction form
1,763,445.68/2,433,580.26 = 1,321,136.55/x - Step 3: Cross multiply
1,763,445.68x = 2,433,580.26 × 1,321,136.55 - Step 4: Simplify right side
1,763,445.68x = 3,215,091,840,023.86 - Step 5: Solve for x
x = 3,215,091,840,023.86/1,763,445.68 - Step 6: Final answer
x = 1,823,187.34
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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.