Finding the Fourth Proportional to 3,743,646.99, 5,616,090.81 and 1,314,170.04
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Solution
The fourth proportional to 3,743,646.99, 5,616,090.81 and 1,314,170.04 is: 1,971,472.82
Step by Step Solution
- Step 1: Write the proportion equation
3,743,646.99 : 5,616,090.81 = 1,314,170.04 : x - Step 2: Convert to fraction form
3,743,646.99/5,616,090.81 = 1,314,170.04/x - Step 3: Cross multiply
3,743,646.99x = 5,616,090.81 × 1,314,170.04 - Step 4: Simplify right side
3,743,646.99x = 7,380,498,284,421.33 - Step 5: Solve for x
x = 7,380,498,284,421.33/3,743,646.99 - Step 6: Final answer
x = 1,971,472.82
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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.