Finding the Fourth Proportional to 3,330,238.75, 4,997,351.00 and 1,436,980.19
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Solution
The fourth proportional to 3,330,238.75, 4,997,351.00 and 1,436,980.19 is: 2,156,330.19
Step by Step Solution
- Step 1: Write the proportion equation
3,330,238.75 : 4,997,351.00 = 1,436,980.19 : x - Step 2: Convert to fraction form
3,330,238.75/4,997,351.00 = 1,436,980.19/x - Step 3: Cross multiply
3,330,238.75x = 4,997,351.00 × 1,436,980.19 - Step 4: Simplify right side
3,330,238.75x = 7,181,094,357,305.03 - Step 5: Solve for x
x = 7,181,094,357,305.03/3,330,238.75 - Step 6: Final answer
x = 2,156,330.19
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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.