Finding the Fourth Proportional to 1,717,780.20, 2,576,670.30 and 1,007,442.60
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Solution
The fourth proportional to 1,717,780.20, 2,576,670.30 and 1,007,442.60 is: 1,511,163.90
Step by Step Solution
- Step 1: Write the proportion equation
1,717,780.20 : 2,576,670.30 = 1,007,442.60 : x - Step 2: Convert to fraction form
1,717,780.20/2,576,670.30 = 1,007,442.60/x - Step 3: Cross multiply
1,717,780.20x = 2,576,670.30 × 1,007,442.60 - Step 4: Simplify right side
1,717,780.20x = 2,595,847,426,374.78 - Step 5: Solve for x
x = 2,595,847,426,374.78/1,717,780.20 - Step 6: Final answer
x = 1,511,163.90
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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.