Finding the Fourth Proportional to 6,246,389.51, 8,619,958.43 and 3,493,045.37
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Solution
The fourth proportional to 6,246,389.51, 8,619,958.43 and 3,493,045.37 is: 4,820,369.56
Step by Step Solution
- Step 1: Write the proportion equation
6,246,389.51 : 8,619,958.43 = 3,493,045.37 : x - Step 2: Convert to fraction form
6,246,389.51/8,619,958.43 = 3,493,045.37/x - Step 3: Cross multiply
6,246,389.51x = 8,619,958.43 × 3,493,045.37 - Step 4: Simplify right side
6,246,389.51x = 30,109,905,840,404.18 - Step 5: Solve for x
x = 30,109,905,840,404.18/6,246,389.51 - Step 6: Final answer
x = 4,820,369.56
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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.