Finding the Fourth Proportional to 4,136,727.20, 6,205,090.80 and 3,073,845.20
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Solution
The fourth proportional to 4,136,727.20, 6,205,090.80 and 3,073,845.20 is: 4,610,767.80
Step by Step Solution
- Step 1: Write the proportion equation
4,136,727.20 : 6,205,090.80 = 3,073,845.20 : x - Step 2: Convert to fraction form
4,136,727.20/6,205,090.80 = 3,073,845.20/x - Step 3: Cross multiply
4,136,727.20x = 6,205,090.80 × 3,073,845.20 - Step 4: Simplify right side
4,136,727.20x = 19,073,488,571,144.16 - Step 5: Solve for x
x = 19,073,488,571,144.16/4,136,727.20 - Step 6: Final answer
x = 4,610,767.80
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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.