Finding the Fourth Proportional to 2,470,516.20, 3,700,244.70 and 2,028,148.20
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Solution
The fourth proportional to 2,470,516.20, 3,700,244.70 and 2,028,148.20 is: 3,037,682.82
Step by Step Solution
- Step 1: Write the proportion equation
2,470,516.20 : 3,700,244.70 = 2,028,148.20 : x - Step 2: Convert to fraction form
2,470,516.20/3,700,244.70 = 2,028,148.20/x - Step 3: Cross multiply
2,470,516.20x = 3,700,244.70 × 2,028,148.20 - Step 4: Simplify right side
2,470,516.20x = 7,504,644,627,864.54 - Step 5: Solve for x
x = 7,504,644,627,864.54/2,470,516.20 - Step 6: Final answer
x = 3,037,682.82
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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.