Finding the Fourth Proportional to 3,721,427.02, 5,136,124.71 and 2,271,962.67
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Solution
The fourth proportional to 3,721,427.02, 5,136,124.71 and 2,271,962.67 is: 3,135,647.57
Step by Step Solution
- Step 1: Write the proportion equation
3,721,427.02 : 5,136,124.71 = 2,271,962.67 : x - Step 2: Convert to fraction form
3,721,427.02/5,136,124.71 = 2,271,962.67/x - Step 3: Cross multiply
3,721,427.02x = 5,136,124.71 × 2,271,962.67 - Step 4: Simplify right side
3,721,427.02x = 11,669,083,609,584.58 - Step 5: Solve for x
x = 11,669,083,609,584.58/3,721,427.02 - Step 6: Final answer
x = 3,135,647.57
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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.