Finding the Fourth Proportional to 4,997,930.97, 7,496,830.04 and 1,211,446.65
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Solution
The fourth proportional to 4,997,930.97, 7,496,830.04 and 1,211,446.65 is: 1,817,153.88
Step by Step Solution
- Step 1: Write the proportion equation
4,997,930.97 : 7,496,830.04 = 1,211,446.65 : x - Step 2: Convert to fraction form
4,997,930.97/7,496,830.04 = 1,211,446.65/x - Step 3: Cross multiply
4,997,930.97x = 7,496,830.04 × 1,211,446.65 - Step 4: Simplify right side
4,997,930.97x = 9,082,009,631,520.13 - Step 5: Solve for x
x = 9,082,009,631,520.13/4,997,930.97 - Step 6: Final answer
x = 1,817,153.88
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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.