Finding the Fourth Proportional to 3,361,783.92, 4,639,650.48 and 1,871,785.68
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Solution
The fourth proportional to 3,361,783.92, 4,639,650.48 and 1,871,785.68 is: 2,583,280.64
Step by Step Solution
- Step 1: Write the proportion equation
3,361,783.92 : 4,639,650.48 = 1,871,785.68 : x - Step 2: Convert to fraction form
3,361,783.92/4,639,650.48 = 1,871,785.68/x - Step 3: Cross multiply
3,361,783.92x = 4,639,650.48 × 1,871,785.68 - Step 4: Simplify right side
3,361,783.92x = 8,684,431,328,669.13 - Step 5: Solve for x
x = 8,684,431,328,669.13/3,361,783.92 - Step 6: Final answer
x = 2,583,280.64
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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.