Finding the Fourth Proportional to 3,963,366.24, 5,469,455.92 and 2,331,835.08
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Solution
The fourth proportional to 3,963,366.24, 5,469,455.92 and 2,331,835.08 is: 3,217,938.59
Step by Step Solution
- Step 1: Write the proportion equation
3,963,366.24 : 5,469,455.92 = 2,331,835.08 : x - Step 2: Convert to fraction form
3,963,366.24/5,469,455.92 = 2,331,835.08/x - Step 3: Cross multiply
3,963,366.24x = 5,469,455.92 × 2,331,835.08 - Step 4: Simplify right side
3,963,366.24x = 12,753,869,182,769.67 - Step 5: Solve for x
x = 12,753,869,182,769.67/3,963,366.24 - Step 6: Final answer
x = 3,217,938.59
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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.