Finding the Fourth Proportional to 5,115,260.14, 7,059,059.58 and 2,823,421.42
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Solution
The fourth proportional to 5,115,260.14, 7,059,059.58 and 2,823,421.42 is: 3,896,321.88
Step by Step Solution
- Step 1: Write the proportion equation
5,115,260.14 : 7,059,059.58 = 2,823,421.42 : x - Step 2: Convert to fraction form
5,115,260.14/7,059,059.58 = 2,823,421.42/x - Step 3: Cross multiply
5,115,260.14x = 7,059,059.58 × 2,823,421.42 - Step 4: Simplify right side
5,115,260.14x = 19,930,700,023,228.20 - Step 5: Solve for x
x = 19,930,700,023,228.20/5,115,260.14 - Step 6: Final answer
x = 3,896,321.88
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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.