Finding the Fourth Proportional to 1,309,420.34, 1,964,610.30 and 551,452.62
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Solution
The fourth proportional to 1,309,420.34, 1,964,610.30 and 551,452.62 is: 827,380.99
Step by Step Solution
- Step 1: Write the proportion equation
1,309,420.34 : 1,964,610.30 = 551,452.62 : x - Step 2: Convert to fraction form
1,309,420.34/1,964,610.30 = 551,452.62/x - Step 3: Cross multiply
1,309,420.34x = 1,964,610.30 × 551,452.62 - Step 4: Simplify right side
1,309,420.34x = 1,083,389,497,213.99 - Step 5: Solve for x
x = 1,083,389,497,213.99/1,309,420.34 - Step 6: Final answer
x = 827,380.99
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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.