Finding the Fourth Proportional to 4,795,389.98, 7,192,919.12 and 1,201,187.91
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Solution
The fourth proportional to 4,795,389.98, 7,192,919.12 and 1,201,187.91 is: 1,801,740.32
Step by Step Solution
- Step 1: Write the proportion equation
4,795,389.98 : 7,192,919.12 = 1,201,187.91 : x - Step 2: Convert to fraction form
4,795,389.98/7,192,919.12 = 1,201,187.91/x - Step 3: Cross multiply
4,795,389.98x = 7,192,919.12 × 1,201,187.91 - Step 4: Simplify right side
4,795,389.98x = 8,640,047,478,545.90 - Step 5: Solve for x
x = 8,640,047,478,545.90/4,795,389.98 - Step 6: Final answer
x = 1,801,740.32
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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.