Finding the Fourth Proportional to 3,175,070.97, 4,381,629.08 and 1,724,778.12
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Solution
The fourth proportional to 3,175,070.97, 4,381,629.08 and 1,724,778.12 is: 2,380,210.72
Step by Step Solution
- Step 1: Write the proportion equation
3,175,070.97 : 4,381,629.08 = 1,724,778.12 : x - Step 2: Convert to fraction form
3,175,070.97/4,381,629.08 = 1,724,778.12/x - Step 3: Cross multiply
3,175,070.97x = 4,381,629.08 × 1,724,778.12 - Step 4: Simplify right side
3,175,070.97x = 7,557,337,958,515.84 - Step 5: Solve for x
x = 7,557,337,958,515.84/3,175,070.97 - Step 6: Final answer
x = 2,380,210.72
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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.