Finding the Fourth Proportional to 3,652,919.28, 5,041,034.64 and 2,021,395.32
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Solution
The fourth proportional to 3,652,919.28, 5,041,034.64 and 2,021,395.32 is: 2,789,528.88
Step by Step Solution
- Step 1: Write the proportion equation
3,652,919.28 : 5,041,034.64 = 2,021,395.32 : x - Step 2: Convert to fraction form
3,652,919.28/5,041,034.64 = 2,021,395.32/x - Step 3: Cross multiply
3,652,919.28x = 5,041,034.64 × 2,021,395.32 - Step 4: Simplify right side
3,652,919.28x = 10,189,923,829,253.88 - Step 5: Solve for x
x = 10,189,923,829,253.88/3,652,919.28 - Step 6: Final answer
x = 2,789,528.88
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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.