Finding the Fourth Proportional to 3,732,278.21, 5,599,305.75 and 1,207,933.46
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Solution
The fourth proportional to 3,732,278.21, 5,599,305.75 and 1,207,933.46 is: 1,812,187.73
Step by Step Solution
- Step 1: Write the proportion equation
3,732,278.21 : 5,599,305.75 = 1,207,933.46 : x - Step 2: Convert to fraction form
3,732,278.21/5,599,305.75 = 1,207,933.46/x - Step 3: Cross multiply
3,732,278.21x = 5,599,305.75 × 1,207,933.46 - Step 4: Simplify right side
3,732,278.21x = 6,763,588,768,195.40 - Step 5: Solve for x
x = 6,763,588,768,195.40/3,732,278.21 - Step 6: Final answer
x = 1,812,187.73
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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.