Finding the Fourth Proportional to 2,103,057.84, 2,902,221.18 and 1,136,187.57
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Solution
The fourth proportional to 2,103,057.84, 2,902,221.18 and 1,136,187.57 is: 1,567,939.58
Step by Step Solution
- Step 1: Write the proportion equation
2,103,057.84 : 2,902,221.18 = 1,136,187.57 : x - Step 2: Convert to fraction form
2,103,057.84/2,902,221.18 = 1,136,187.57/x - Step 3: Cross multiply
2,103,057.84x = 2,902,221.18 × 1,136,187.57 - Step 4: Simplify right side
2,103,057.84x = 3,297,467,630,106.73 - Step 5: Solve for x
x = 3,297,467,630,106.73/2,103,057.84 - Step 6: Final answer
x = 1,567,939.58
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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.