Finding the Fourth Proportional to 3,641,211.65, 5,024,882.73 and 1,987,374.00
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Solution
The fourth proportional to 3,641,211.65, 5,024,882.73 and 1,987,374.00 is: 2,742,581.94
Step by Step Solution
- Step 1: Write the proportion equation
3,641,211.65 : 5,024,882.73 = 1,987,374.00 : x - Step 2: Convert to fraction form
3,641,211.65/5,024,882.73 = 1,987,374.00/x - Step 3: Cross multiply
3,641,211.65x = 5,024,882.73 × 1,987,374.00 - Step 4: Simplify right side
3,641,211.65x = 9,986,321,307,525.33 - Step 5: Solve for x
x = 9,986,321,307,525.33/3,641,211.65 - Step 6: Final answer
x = 2,742,581.94
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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.