Finding the Fourth Proportional to 2,694,699.32, 3,717,801.84 and 1,920,452.06
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Solution
The fourth proportional to 2,694,699.32, 3,717,801.84 and 1,920,452.06 is: 2,649,594.39
Step by Step Solution
- Step 1: Write the proportion equation
2,694,699.32 : 3,717,801.84 = 1,920,452.06 : x - Step 2: Convert to fraction form
2,694,699.32/3,717,801.84 = 1,920,452.06/x - Step 3: Cross multiply
2,694,699.32x = 3,717,801.84 × 1,920,452.06 - Step 4: Simplify right side
2,694,699.32x = 7,139,860,202,299.79 - Step 5: Solve for x
x = 7,139,860,202,299.79/2,694,699.32 - Step 6: Final answer
x = 2,649,594.39
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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.