Finding the Fourth Proportional to 5,611,619.98, 8,413,390.11 and 3,448,175.10
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Solution
The fourth proportional to 5,611,619.98, 8,413,390.11 and 3,448,175.10 is: 5,169,780.28
Step by Step Solution
- Step 1: Write the proportion equation
5,611,619.98 : 8,413,390.11 = 3,448,175.10 : x - Step 2: Convert to fraction form
5,611,619.98/8,413,390.11 = 3,448,175.10/x - Step 3: Cross multiply
5,611,619.98x = 8,413,390.11 × 3,448,175.10 - Step 4: Simplify right side
5,611,619.98x = 29,010,842,283,888.26 - Step 5: Solve for x
x = 29,010,842,283,888.26/5,611,619.98 - Step 6: Final answer
x = 5,169,780.28
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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.