Finding the Fourth Proportional to 4,871,078.01, 6,722,100.74 and 2,695,771.17
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Solution
The fourth proportional to 4,871,078.01, 6,722,100.74 and 2,695,771.17 is: 3,720,171.46
Step by Step Solution
- Step 1: Write the proportion equation
4,871,078.01 : 6,722,100.74 = 2,695,771.17 : x - Step 2: Convert to fraction form
4,871,078.01/6,722,100.74 = 2,695,771.17/x - Step 3: Cross multiply
4,871,078.01x = 6,722,100.74 × 2,695,771.17 - Step 4: Simplify right side
4,871,078.01x = 18,121,245,376,727.66 - Step 5: Solve for x
x = 18,121,245,376,727.66/4,871,078.01 - Step 6: Final answer
x = 3,720,171.46
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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.