Finding the Fourth Proportional to 3,812,489.05, 5,256,789.93 and 2,843,937.83
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Solution
The fourth proportional to 3,812,489.05, 5,256,789.93 and 2,843,937.83 is: 3,921,318.47
Step by Step Solution
- Step 1: Write the proportion equation
3,812,489.05 : 5,256,789.93 = 2,843,937.83 : x - Step 2: Convert to fraction form
3,812,489.05/5,256,789.93 = 2,843,937.83/x - Step 3: Cross multiply
3,812,489.05x = 5,256,789.93 × 2,843,937.83 - Step 4: Simplify right side
3,812,489.05x = 14,949,983,746,290.05 - Step 5: Solve for x
x = 14,949,983,746,290.05/3,812,489.05 - Step 6: Final answer
x = 3,921,318.47
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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.