Finding the Fourth Proportional to 2,267,091.12, 3,128,728.08 and 1,248,495.84
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Solution
The fourth proportional to 2,267,091.12, 3,128,728.08 and 1,248,495.84 is: 1,723,002.64
Step by Step Solution
- Step 1: Write the proportion equation
2,267,091.12 : 3,128,728.08 = 1,248,495.84 : x - Step 2: Convert to fraction form
2,267,091.12/3,128,728.08 = 1,248,495.84/x - Step 3: Cross multiply
2,267,091.12x = 3,128,728.08 × 1,248,495.84 - Step 4: Simplify right side
2,267,091.12x = 3,906,203,992,371.19 - Step 5: Solve for x
x = 3,906,203,992,371.19/2,267,091.12 - Step 6: Final answer
x = 1,723,002.64
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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.