Finding the Fourth Proportional to 4,181,903.20, 6,264,560.40 and 2,493,992.80
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Solution
The fourth proportional to 4,181,903.20, 6,264,560.40 and 2,493,992.80 is: 3,736,042.61
Step by Step Solution
- Step 1: Write the proportion equation
4,181,903.20 : 6,264,560.40 = 2,493,992.80 : x - Step 2: Convert to fraction form
4,181,903.20/6,264,560.40 = 2,493,992.80/x - Step 3: Cross multiply
4,181,903.20x = 6,264,560.40 × 2,493,992.80 - Step 4: Simplify right side
4,181,903.20x = 15,623,768,532,765.12 - Step 5: Solve for x
x = 15,623,768,532,765.12/4,181,903.20 - Step 6: Final answer
x = 3,736,042.61
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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.