Finding the Fourth Proportional to 1,507,556.00, 2,261,420.20 and 427,984.12
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Solution
The fourth proportional to 1,507,556.00, 2,261,420.20 and 427,984.12 is: 642,000.65
Step by Step Solution
- Step 1: Write the proportion equation
1,507,556.00 : 2,261,420.20 = 427,984.12 : x - Step 2: Convert to fraction form
1,507,556.00/2,261,420.20 = 427,984.12/x - Step 3: Cross multiply
1,507,556.00x = 2,261,420.20 × 427,984.12 - Step 4: Simplify right side
1,507,556.00x = 967,851,937,608.98 - Step 5: Solve for x
x = 967,851,937,608.98/1,507,556.00 - Step 6: Final answer
x = 642,000.65
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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.