Finding the Fourth Proportional to 5,447,401.11, 8,160,471.61 and 4,243,687.25
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Solution
The fourth proportional to 5,447,401.11, 8,160,471.61 and 4,243,687.25 is: 6,357,249.75
Step by Step Solution
- Step 1: Write the proportion equation
5,447,401.11 : 8,160,471.61 = 4,243,687.25 : x - Step 2: Convert to fraction form
5,447,401.11/8,160,471.61 = 4,243,687.25/x - Step 3: Cross multiply
5,447,401.11x = 8,160,471.61 × 4,243,687.25 - Step 4: Simplify right side
5,447,401.11x = 34,630,489,325,343.97 - Step 5: Solve for x
x = 34,630,489,325,343.97/5,447,401.11 - Step 6: Final answer
x = 6,357,249.75
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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.