Finding the Fourth Proportional to 2,029,920, 2,801,289.51 and 1,112,183.91
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Solution
The fourth proportional to 2,029,920, 2,801,289.51 and 1,112,183.91 is: 1,534,813.75
Step by Step Solution
- Step 1: Write the proportion equation
2,029,920 : 2,801,289.51 = 1,112,183.91 : x - Step 2: Convert to fraction form
2,029,920/2,801,289.51 = 1,112,183.91/x - Step 3: Cross multiply
2,029,920x = 2,801,289.51 × 1,112,183.91 - Step 4: Simplify right side
2,029,920x = 3,115,549,120,273.78 - Step 5: Solve for x
x = 3,115,549,120,273.78/2,029,920 - Step 6: Final answer
x = 1,534,813.75
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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.