Finding the Fourth Proportional to 2,391,867.22, 3,589,482.12 and 2,163,181.54
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Solution
The fourth proportional to 2,391,867.22, 3,589,482.12 and 2,163,181.54 is: 3,246,292.85
Step by Step Solution
- Step 1: Write the proportion equation
2,391,867.22 : 3,589,482.12 = 2,163,181.54 : x - Step 2: Convert to fraction form
2,391,867.22/3,589,482.12 = 2,163,181.54/x - Step 3: Cross multiply
2,391,867.22x = 3,589,482.12 × 2,163,181.54 - Step 4: Simplify right side
2,391,867.22x = 7,764,701,460,144.07 - Step 5: Solve for x
x = 7,764,701,460,144.07/2,391,867.22 - Step 6: Final answer
x = 3,246,292.85
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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.