Finding the Fourth Proportional to 2,576,511.60, 3,555,517.68 and 1,430,562.48
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Solution
The fourth proportional to 2,576,511.60, 3,555,517.68 and 1,430,562.48 is: 1,974,138.28
Step by Step Solution
- Step 1: Write the proportion equation
2,576,511.60 : 3,555,517.68 = 1,430,562.48 : x - Step 2: Convert to fraction form
2,576,511.60/3,555,517.68 = 1,430,562.48/x - Step 3: Cross multiply
2,576,511.60x = 3,555,517.68 × 1,430,562.48 - Step 4: Simplify right side
2,576,511.60x = 5,086,390,189,984.65 - Step 5: Solve for x
x = 5,086,390,189,984.65/2,576,511.60 - Step 6: Final answer
x = 1,974,138.28
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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.