Finding the Fourth Proportional to 3,803,991.36, 5,706,861.84 and 1,245,288.84
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Solution
The fourth proportional to 3,803,991.36, 5,706,861.84 and 1,245,288.84 is: 1,868,219.64
Step by Step Solution
- Step 1: Write the proportion equation
3,803,991.36 : 5,706,861.84 = 1,245,288.84 : x - Step 2: Convert to fraction form
3,803,991.36/5,706,861.84 = 1,245,288.84/x - Step 3: Cross multiply
3,803,991.36x = 5,706,861.84 × 1,245,288.84 - Step 4: Simplify right side
3,803,991.36x = 7,106,691,360,773.87 - Step 5: Solve for x
x = 7,106,691,360,773.87/3,803,991.36 - Step 6: Final answer
x = 1,868,219.64
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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.