Finding the Fourth Proportional to 5,624,617.96, 7,761,948.63 and 3,143,835.13
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Solution
The fourth proportional to 5,624,617.96, 7,761,948.63 and 3,143,835.13 is: 4,338,478.98
Step by Step Solution
- Step 1: Write the proportion equation
5,624,617.96 : 7,761,948.63 = 3,143,835.13 : x - Step 2: Convert to fraction form
5,624,617.96/7,761,948.63 = 3,143,835.13/x - Step 3: Cross multiply
5,624,617.96x = 7,761,948.63 × 3,143,835.13 - Step 4: Simplify right side
5,624,617.96x = 24,402,286,780,249.37 - Step 5: Solve for x
x = 24,402,286,780,249.37/5,624,617.96 - Step 6: Final answer
x = 4,338,478.98
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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.