Finding the Fourth Proportional to 2,621,740.41, 3,932,824.05 and 728,482.05
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Solution
The fourth proportional to 2,621,740.41, 3,932,824.05 and 728,482.05 is: 1,092,782.38
Step by Step Solution
- Step 1: Write the proportion equation
2,621,740.41 : 3,932,824.05 = 728,482.05 : x - Step 2: Convert to fraction form
2,621,740.41/3,932,824.05 = 728,482.05/x - Step 3: Cross multiply
2,621,740.41x = 3,932,824.05 × 728,482.05 - Step 4: Simplify right side
2,621,740.41x = 2,864,991,726,233.30 - Step 5: Solve for x
x = 2,864,991,726,233.30/2,621,740.41 - Step 6: Final answer
x = 1,092,782.38
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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.