Finding the Fourth Proportional to 1,879,954.28, 2,594,340.22 and 1,020,515.12
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Solution
The fourth proportional to 1,879,954.28, 2,594,340.22 and 1,020,515.12 is: 1,408,312.66
Step by Step Solution
- Step 1: Write the proportion equation
1,879,954.28 : 2,594,340.22 = 1,020,515.12 : x - Step 2: Convert to fraction form
1,879,954.28/2,594,340.22 = 1,020,515.12/x - Step 3: Cross multiply
1,879,954.28x = 2,594,340.22 × 1,020,515.12 - Step 4: Simplify right side
1,879,954.28x = 2,647,563,420,934.13 - Step 5: Solve for x
x = 2,647,563,420,934.13/1,879,954.28 - Step 6: Final answer
x = 1,408,312.66
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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.