Finding the Fourth Proportional to 5,731,438.08, 7,910,513.94 and 3,285,690.02
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Solution
The fourth proportional to 5,731,438.08, 7,910,513.94 and 3,285,690.02 is: 4,534,899.68
Step by Step Solution
- Step 1: Write the proportion equation
5,731,438.08 : 7,910,513.94 = 3,285,690.02 : x - Step 2: Convert to fraction form
5,731,438.08/7,910,513.94 = 3,285,690.02/x - Step 3: Cross multiply
5,731,438.08x = 7,910,513.94 × 3,285,690.02 - Step 4: Simplify right side
5,731,438.08x = 25,991,496,705,728.88 - Step 5: Solve for x
x = 25,991,496,705,728.88/5,731,438.08 - Step 6: Final answer
x = 4,534,899.68
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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.