Finding the Fourth Proportional to 4,685,142.64, 6,465,451.29 and 2,620,134.73
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Solution
The fourth proportional to 4,685,142.64, 6,465,451.29 and 2,620,134.73 is: 3,615,760.45
Step by Step Solution
- Step 1: Write the proportion equation
4,685,142.64 : 6,465,451.29 = 2,620,134.73 : x - Step 2: Convert to fraction form
4,685,142.64/6,465,451.29 = 2,620,134.73/x - Step 3: Cross multiply
4,685,142.64x = 6,465,451.29 × 2,620,134.73 - Step 4: Simplify right side
4,685,142.64x = 16,940,353,470,052.30 - Step 5: Solve for x
x = 16,940,353,470,052.30/4,685,142.64 - Step 6: Final answer
x = 3,615,760.45
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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.