Finding the Fourth Proportional to 5,152,473.68, 7,110,136.04 and 2,860,486.88
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Solution
The fourth proportional to 5,152,473.68, 7,110,136.04 and 2,860,486.88 is: 3,947,317.76
Step by Step Solution
- Step 1: Write the proportion equation
5,152,473.68 : 7,110,136.04 = 2,860,486.88 : x - Step 2: Convert to fraction form
5,152,473.68/7,110,136.04 = 2,860,486.88/x - Step 3: Cross multiply
5,152,473.68x = 7,110,136.04 × 2,860,486.88 - Step 4: Simplify right side
5,152,473.68x = 20,338,450,882,361.71 - Step 5: Solve for x
x = 20,338,450,882,361.71/5,152,473.68 - Step 6: Final answer
x = 3,947,317.76
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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.