Finding the Fourth Proportional to 2,645,578.24, 3,650,879.88 and 1,438,354.24
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Solution
The fourth proportional to 2,645,578.24, 3,650,879.88 and 1,438,354.24 is: 1,984,919.02
Step by Step Solution
- Step 1: Write the proportion equation
2,645,578.24 : 3,650,879.88 = 1,438,354.24 : x - Step 2: Convert to fraction form
2,645,578.24/3,650,879.88 = 1,438,354.24/x - Step 3: Cross multiply
2,645,578.24x = 3,650,879.88 × 1,438,354.24 - Step 4: Simplify right side
2,645,578.24x = 5,251,258,555,128.69 - Step 5: Solve for x
x = 5,251,258,555,128.69/2,645,578.24 - Step 6: Final answer
x = 1,984,919.02
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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.