Finding the Fourth Proportional to 3,960,098.96, 5,464,935.24 and 2,149,262.96
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Solution
The fourth proportional to 3,960,098.96, 5,464,935.24 and 2,149,262.96 is: 2,965,982.17
Step by Step Solution
- Step 1: Write the proportion equation
3,960,098.96 : 5,464,935.24 = 2,149,262.96 : x - Step 2: Convert to fraction form
3,960,098.96/5,464,935.24 = 2,149,262.96/x - Step 3: Cross multiply
3,960,098.96x = 5,464,935.24 × 2,149,262.96 - Step 4: Simplify right side
3,960,098.96x = 11,745,582,890,130.71 - Step 5: Solve for x
x = 11,745,582,890,130.71/3,960,098.96 - Step 6: Final answer
x = 2,965,982.17
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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.