Finding the Fourth Proportional to 4,886,165.42, 6,740,106.81 and 3,047,431.44
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Solution
The fourth proportional to 4,886,165.42, 6,740,106.81 and 3,047,431.44 is: 4,203,708.15
Step by Step Solution
- Step 1: Write the proportion equation
4,886,165.42 : 6,740,106.81 = 3,047,431.44 : x - Step 2: Convert to fraction form
4,886,165.42/6,740,106.81 = 3,047,431.44/x - Step 3: Cross multiply
4,886,165.42x = 6,740,106.81 × 3,047,431.44 - Step 4: Simplify right side
4,886,165.42x = 20,540,013,401,752.11 - Step 5: Solve for x
x = 20,540,013,401,752.11/4,886,165.42 - Step 6: Final answer
x = 4,203,708.15
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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.