Finding the Fourth Proportional to 2,408,276.78, 3,609,886.44 and 810,285.09
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Solution
The fourth proportional to 2,408,276.78, 3,609,886.44 and 810,285.09 is: 1,214,576.81
Step by Step Solution
- Step 1: Write the proportion equation
2,408,276.78 : 3,609,886.44 = 810,285.09 : x - Step 2: Convert to fraction form
2,408,276.78/3,609,886.44 = 810,285.09/x - Step 3: Cross multiply
2,408,276.78x = 3,609,886.44 × 810,285.09 - Step 4: Simplify right side
2,408,276.78x = 2,925,037,136,824.32 - Step 5: Solve for x
x = 2,925,037,136,824.32/2,408,276.78 - Step 6: Final answer
x = 1,214,576.81
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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.