Finding the Fourth Proportional to 1,420,669.13, 2,131,844.44 and 522,741.43
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Solution
The fourth proportional to 1,420,669.13, 2,131,844.44 and 522,741.43 is: 784,421.50
Step by Step Solution
- Step 1: Write the proportion equation
1,420,669.13 : 2,131,844.44 = 522,741.43 : x - Step 2: Convert to fraction form
1,420,669.13/2,131,844.44 = 522,741.43/x - Step 3: Cross multiply
1,420,669.13x = 2,131,844.44 × 522,741.43 - Step 4: Simplify right side
1,420,669.13x = 1,114,403,411,103.15 - Step 5: Solve for x
x = 1,114,403,411,103.15/1,420,669.13 - Step 6: Final answer
x = 784,421.50
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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.