Finding the Fourth Proportional to 3,384,055.44, 4,671,042.21 and 2,176,831.44
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Solution
The fourth proportional to 3,384,055.44, 4,671,042.21 and 2,176,831.44 is: 3,004,700.05
Step by Step Solution
- Step 1: Write the proportion equation
3,384,055.44 : 4,671,042.21 = 2,176,831.44 : x - Step 2: Convert to fraction form
3,384,055.44/4,671,042.21 = 2,176,831.44/x - Step 3: Cross multiply
3,384,055.44x = 4,671,042.21 × 2,176,831.44 - Step 4: Simplify right side
3,384,055.44x = 10,168,071,540,295.08 - Step 5: Solve for x
x = 10,168,071,540,295.08/3,384,055.44 - Step 6: Final answer
x = 3,004,700.05
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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.