Finding the Fourth Proportional to 5,782,767.48, 7,980,266.66 and 3,204,491.31
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Solution
The fourth proportional to 5,782,767.48, 7,980,266.66 and 3,204,491.31 is: 4,422,224.35
Step by Step Solution
- Step 1: Write the proportion equation
5,782,767.48 : 7,980,266.66 = 3,204,491.31 : x - Step 2: Convert to fraction form
5,782,767.48/7,980,266.66 = 3,204,491.31/x - Step 3: Cross multiply
5,782,767.48x = 7,980,266.66 × 3,204,491.31 - Step 4: Simplify right side
5,782,767.48x = 25,572,695,147,430.27 - Step 5: Solve for x
x = 25,572,695,147,430.27/5,782,767.48 - Step 6: Final answer
x = 4,422,224.35
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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.