Finding the Fourth Proportional to 6,938,515.97, 9,575,265.42 and 3,798,727.26
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Solution
The fourth proportional to 6,938,515.97, 9,575,265.42 and 3,798,727.26 is: 5,242,305.69
Step by Step Solution
- Step 1: Write the proportion equation
6,938,515.97 : 9,575,265.42 = 3,798,727.26 : x - Step 2: Convert to fraction form
6,938,515.97/9,575,265.42 = 3,798,727.26/x - Step 3: Cross multiply
6,938,515.97x = 9,575,265.42 × 3,798,727.26 - Step 4: Simplify right side
6,938,515.97x = 36,373,821,763,712.54 - Step 5: Solve for x
x = 36,373,821,763,712.54/6,938,515.97 - Step 6: Final answer
x = 5,242,305.69
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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.