Finding the Fourth Proportional to 7,420,885.65, 11,131,170.03 and 2,029,536.08
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Solution
The fourth proportional to 7,420,885.65, 11,131,170.03 and 2,029,536.08 is: 3,044,260.78
Step by Step Solution
- Step 1: Write the proportion equation
7,420,885.65 : 11,131,170.03 = 2,029,536.08 : x - Step 2: Convert to fraction form
7,420,885.65/11,131,170.03 = 2,029,536.08/x - Step 3: Cross multiply
7,420,885.65x = 11,131,170.03 × 2,029,536.08 - Step 4: Simplify right side
7,420,885.65x = 22,591,111,137,572.25 - Step 5: Solve for x
x = 22,591,111,137,572.25/7,420,885.65 - Step 6: Final answer
x = 3,044,260.78
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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.