Finding the Fourth Proportional to 5,779,882.40, 7,976,500.24 and 3,201,562.84
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Solution
The fourth proportional to 5,779,882.40, 7,976,500.24 and 3,201,562.84 is: 4,418,302.14
Step by Step Solution
- Step 1: Write the proportion equation
5,779,882.40 : 7,976,500.24 = 3,201,562.84 : x - Step 2: Convert to fraction form
5,779,882.40/7,976,500.24 = 3,201,562.84/x - Step 3: Cross multiply
5,779,882.40x = 7,976,500.24 × 3,201,562.84 - Step 4: Simplify right side
5,779,882.40x = 25,537,266,761,635.08 - Step 5: Solve for x
x = 25,537,266,761,635.08/5,779,882.40 - Step 6: Final answer
x = 4,418,302.14
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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.