Finding the Fourth Proportional to 2,027,632.36, 2,798,220.90 and 1,122,214.12
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Solution
The fourth proportional to 2,027,632.36, 2,798,220.90 and 1,122,214.12 is: 1,548,704.32
Step by Step Solution
- Step 1: Write the proportion equation
2,027,632.36 : 2,798,220.90 = 1,122,214.12 : x - Step 2: Convert to fraction form
2,027,632.36/2,798,220.90 = 1,122,214.12/x - Step 3: Cross multiply
2,027,632.36x = 2,798,220.90 × 1,122,214.12 - Step 4: Simplify right side
2,027,632.36x = 3,140,203,004,859.11 - Step 5: Solve for x
x = 3,140,203,004,859.11/2,027,632.36 - Step 6: Final answer
x = 1,548,704.32
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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.