Finding the Fourth Proportional to 3,042,831.12, 4,199,238.24 and 1,684,704.12
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Solution
The fourth proportional to 3,042,831.12, 4,199,238.24 and 1,684,704.12 is: 2,324,964.38
Step by Step Solution
- Step 1: Write the proportion equation
3,042,831.12 : 4,199,238.24 = 1,684,704.12 : x - Step 2: Convert to fraction form
3,042,831.12/4,199,238.24 = 1,684,704.12/x - Step 3: Cross multiply
3,042,831.12x = 4,199,238.24 × 1,684,704.12 - Step 4: Simplify right side
3,042,831.12x = 7,074,473,963,789.55 - Step 5: Solve for x
x = 7,074,473,963,789.55/3,042,831.12 - Step 6: Final answer
x = 2,324,964.38
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1.5x scale
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.