Finding the Fourth Proportional to 4,974,513.36, 7,449,812.41 and 2,838,120.54
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Solution
The fourth proportional to 4,974,513.36, 7,449,812.41 and 2,838,120.54 is: 4,250,358.59
Step by Step Solution
- Step 1: Write the proportion equation
4,974,513.36 : 7,449,812.41 = 2,838,120.54 : x - Step 2: Convert to fraction form
4,974,513.36/7,449,812.41 = 2,838,120.54/x - Step 3: Cross multiply
4,974,513.36x = 7,449,812.41 × 2,838,120.54 - Step 4: Simplify right side
4,974,513.36x = 21,143,465,568,528.24 - Step 5: Solve for x
x = 21,143,465,568,528.24/4,974,513.36 - Step 6: Final answer
x = 4,250,358.59
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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.