Finding the Fourth Proportional to 2,408,278.78, 3,609,889.43 and 810,287.09
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Solution
The fourth proportional to 2,408,278.78, 3,609,889.43 and 810,287.09 is: 1,214,579.82
Step by Step Solution
- Step 1: Write the proportion equation
2,408,278.78 : 3,609,889.43 = 810,287.09 : x - Step 2: Convert to fraction form
2,408,278.78/3,609,889.43 = 810,287.09/x - Step 3: Cross multiply
2,408,278.78x = 3,609,889.43 × 810,287.09 - Step 4: Simplify right side
2,408,278.78x = 2,925,046,801,456.46 - Step 5: Solve for x
x = 2,925,046,801,456.46/2,408,278.78 - Step 6: Final answer
x = 1,214,579.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.