Finding the Fourth Proportional to 3,759,650.80, 5,639,195.86 and 1,201,136.06
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Solution
The fourth proportional to 3,759,650.80, 5,639,195.86 and 1,201,136.06 is: 1,801,614.53
Step by Step Solution
- Step 1: Write the proportion equation
3,759,650.80 : 5,639,195.86 = 1,201,136.06 : x - Step 2: Convert to fraction form
3,759,650.80/5,639,195.86 = 1,201,136.06/x - Step 3: Cross multiply
3,759,650.80x = 5,639,195.86 × 1,201,136.06 - Step 4: Simplify right side
3,759,650.80x = 6,773,441,496,848.71 - Step 5: Solve for x
x = 6,773,441,496,848.71/3,759,650.80 - Step 6: Final answer
x = 1,801,614.53
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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.