Finding the Fourth Proportional to 2,986,136.24, 4,477,886.76 and 855,736.88
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Solution
The fourth proportional to 2,986,136.24, 4,477,886.76 and 855,736.88 is: 1,283,227.74
Step by Step Solution
- Step 1: Write the proportion equation
2,986,136.24 : 4,477,886.76 = 855,736.88 : x - Step 2: Convert to fraction form
2,986,136.24/4,477,886.76 = 855,736.88/x - Step 3: Cross multiply
2,986,136.24x = 4,477,886.76 × 855,736.88 - Step 4: Simplify right side
2,986,136.24x = 3,831,892,844,995.71 - Step 5: Solve for x
x = 3,831,892,844,995.71/2,986,136.24 - Step 6: Final answer
x = 1,283,227.74
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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.