Finding the Fourth Proportional to 5,448,119.28, 7,517,264.04 and 3,156,143.28
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Solution
The fourth proportional to 5,448,119.28, 7,517,264.04 and 3,156,143.28 is: 4,354,816.99
Step by Step Solution
- Step 1: Write the proportion equation
5,448,119.28 : 7,517,264.04 = 3,156,143.28 : x - Step 2: Convert to fraction form
5,448,119.28/7,517,264.04 = 3,156,143.28/x - Step 3: Cross multiply
5,448,119.28x = 7,517,264.04 × 3,156,143.28 - Step 4: Simplify right side
5,448,119.28x = 23,725,562,383,831.65 - Step 5: Solve for x
x = 23,725,562,383,831.65/5,448,119.28 - Step 6: Final answer
x = 4,354,816.99
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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.