Finding the Fourth Proportional to 2,822,054.64, 3,894,464.16 and 1,532,920.20
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Solution
The fourth proportional to 2,822,054.64, 3,894,464.16 and 1,532,920.20 is: 2,115,445.50
Step by Step Solution
- Step 1: Write the proportion equation
2,822,054.64 : 3,894,464.16 = 1,532,920.20 : x - Step 2: Convert to fraction form
2,822,054.64/3,894,464.16 = 1,532,920.20/x - Step 3: Cross multiply
2,822,054.64x = 3,894,464.16 × 1,532,920.20 - Step 4: Simplify right side
2,822,054.64x = 5,969,902,779,040.03 - Step 5: Solve for x
x = 5,969,902,779,040.03/2,822,054.64 - Step 6: Final answer
x = 2,115,445.50
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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.