Finding the Fourth Proportional to 3,725,991.09, 5,588,986.64 and 1,201,646.34
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Solution
The fourth proportional to 3,725,991.09, 5,588,986.64 and 1,201,646.34 is: 1,802,469.51
Step by Step Solution
- Step 1: Write the proportion equation
3,725,991.09 : 5,588,986.64 = 1,201,646.34 : x - Step 2: Convert to fraction form
3,725,991.09/5,588,986.64 = 1,201,646.34/x - Step 3: Cross multiply
3,725,991.09x = 5,588,986.64 × 1,201,646.34 - Step 4: Simplify right side
3,725,991.09x = 6,715,985,334,256.67 - Step 5: Solve for x
x = 6,715,985,334,256.67/3,725,991.09 - Step 6: Final answer
x = 1,802,469.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.