Finding the Fourth Proportional to 3,767,954.40, 5,652,277.20 and 1,243,615.20
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Solution
The fourth proportional to 3,767,954.40, 5,652,277.20 and 1,243,615.20 is: 1,865,536.87
Step by Step Solution
- Step 1: Write the proportion equation
3,767,954.40 : 5,652,277.20 = 1,243,615.20 : x - Step 2: Convert to fraction form
3,767,954.40/5,652,277.20 = 1,243,615.20/x - Step 3: Cross multiply
3,767,954.40x = 5,652,277.20 × 1,243,615.20 - Step 4: Simplify right side
3,767,954.40x = 7,029,257,840,533.44 - Step 5: Solve for x
x = 7,029,257,840,533.44/3,767,954.40 - Step 6: Final answer
x = 1,865,536.87
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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.