Finding the Fourth Proportional to 4,887,021.74, 6,744,317.20 and 3,052,566.14
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Solution
The fourth proportional to 4,887,021.74, 6,744,317.20 and 3,052,566.14 is: 4,212,683.19
Step by Step Solution
- Step 1: Write the proportion equation
4,887,021.74 : 6,744,317.20 = 3,052,566.14 : x - Step 2: Convert to fraction form
4,887,021.74/6,744,317.20 = 3,052,566.14/x - Step 3: Cross multiply
4,887,021.74x = 6,744,317.20 × 3,052,566.14 - Step 4: Simplify right side
4,887,021.74x = 20,587,474,322,139.61 - Step 5: Solve for x
x = 20,587,474,322,139.61/4,887,021.74 - Step 6: Final answer
x = 4,212,683.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.