Finding the Fourth Proportional to 2,267,445.28, 3,128,930.84 and 1,248,850.02
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Solution
The fourth proportional to 2,267,445.28, 3,128,930.84 and 1,248,850.02 is: 1,723,333.91
Step by Step Solution
- Step 1: Write the proportion equation
2,267,445.28 : 3,128,930.84 = 1,248,850.02 : x - Step 2: Convert to fraction form
2,267,445.28/3,128,930.84 = 1,248,850.02/x - Step 3: Cross multiply
2,267,445.28x = 3,128,930.84 × 1,248,850.02 - Step 4: Simplify right side
2,267,445.28x = 3,907,565,342,112.62 - Step 5: Solve for x
x = 3,907,565,342,112.62/2,267,445.28 - Step 6: Final answer
x = 1,723,333.91
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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.