Finding the Fourth Proportional to 1,667,305.13, 2,496,961.42 and 855,553.37
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Solution
The fourth proportional to 1,667,305.13, 2,496,961.42 and 855,553.37 is: 1,281,279.42
Step by Step Solution
- Step 1: Write the proportion equation
1,667,305.13 : 2,496,961.42 = 855,553.37 : x - Step 2: Convert to fraction form
1,667,305.13/2,496,961.42 = 855,553.37/x - Step 3: Cross multiply
1,667,305.13x = 2,496,961.42 × 855,553.37 - Step 4: Simplify right side
1,667,305.13x = 2,136,283,743,017.30 - Step 5: Solve for x
x = 2,136,283,743,017.30/1,667,305.13 - Step 6: Final answer
x = 1,281,279.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.