Finding the Fourth Proportional to 3,387,580.79, 5,080,596.21 and 2,021,740.56
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Solution
The fourth proportional to 3,387,580.79, 5,080,596.21 and 2,021,740.56 is: 3,032,148.33
Step by Step Solution
- Step 1: Write the proportion equation
3,387,580.79 : 5,080,596.21 = 2,021,740.56 : x - Step 2: Convert to fraction form
3,387,580.79/5,080,596.21 = 2,021,740.56/x - Step 3: Cross multiply
3,387,580.79x = 5,080,596.21 × 2,021,740.56 - Step 4: Simplify right side
3,387,580.79x = 10,271,647,426,739.28 - Step 5: Solve for x
x = 10,271,647,426,739.28/3,387,580.79 - Step 6: Final answer
x = 3,032,148.33
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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.