Finding the Fourth Proportional to 4,391,878.64, 6,059,410.80 and 2,457,831.92
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Solution
The fourth proportional to 4,391,878.64, 6,059,410.80 and 2,457,831.92 is: 3,391,034.79
Step by Step Solution
- Step 1: Write the proportion equation
4,391,878.64 : 6,059,410.80 = 2,457,831.92 : x - Step 2: Convert to fraction form
4,391,878.64/6,059,410.80 = 2,457,831.92/x - Step 3: Cross multiply
4,391,878.64x = 6,059,410.80 × 2,457,831.92 - Step 4: Simplify right side
4,391,878.64x = 14,893,013,280,632.73 - Step 5: Solve for x
x = 14,893,013,280,632.73/4,391,878.64 - Step 6: Final answer
x = 3,391,034.79
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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.