Finding the Fourth Proportional to 1,455,771.10, 2,183,656.65 and 825,915.10
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Solution
The fourth proportional to 1,455,771.10, 2,183,656.65 and 825,915.10 is: 1,238,872.65
Step by Step Solution
- Step 1: Write the proportion equation
1,455,771.10 : 2,183,656.65 = 825,915.10 : x - Step 2: Convert to fraction form
1,455,771.10/2,183,656.65 = 825,915.10/x - Step 3: Cross multiply
1,455,771.10x = 2,183,656.65 × 825,915.10 - Step 4: Simplify right side
1,455,771.10x = 1,803,515,000,450.41 - Step 5: Solve for x
x = 1,803,515,000,450.41/1,455,771.10 - Step 6: Final answer
x = 1,238,872.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.