Finding the Fourth Proportional to 3,995,056.96, 5,513,201.76 and 2,184,220.96
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Solution
The fourth proportional to 3,995,056.96, 5,513,201.76 and 2,184,220.96 is: 3,014,237.58
Step by Step Solution
- Step 1: Write the proportion equation
3,995,056.96 : 5,513,201.76 = 2,184,220.96 : x - Step 2: Convert to fraction form
3,995,056.96/5,513,201.76 = 2,184,220.96/x - Step 3: Cross multiply
3,995,056.96x = 5,513,201.76 × 2,184,220.96 - Step 4: Simplify right side
3,995,056.96x = 12,042,050,840,900.89 - Step 5: Solve for x
x = 12,042,050,840,900.89/3,995,056.96 - Step 6: Final answer
x = 3,014,237.58
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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.