Finding the Fourth Proportional to 5,779,876.36, 7,976,491.98 and 3,201,556.84
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Solution
The fourth proportional to 5,779,876.36, 7,976,491.98 and 3,201,556.84 is: 4,418,293.90
Step by Step Solution
- Step 1: Write the proportion equation
5,779,876.36 : 7,976,491.98 = 3,201,556.84 : x - Step 2: Convert to fraction form
5,779,876.36/7,976,491.98 = 3,201,556.84/x - Step 3: Cross multiply
5,779,876.36x = 7,976,491.98 × 3,201,556.84 - Step 4: Simplify right side
5,779,876.36x = 25,537,192,457,774.14 - Step 5: Solve for x
x = 25,537,192,457,774.14/5,779,876.36 - Step 6: Final answer
x = 4,418,293.90
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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.