Finding the Fourth Proportional to 4,322,129.28, 6,483,470.40 and 1,662,737.28
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Solution
The fourth proportional to 4,322,129.28, 6,483,470.40 and 1,662,737.28 is: 2,494,212.28
Step by Step Solution
- Step 1: Write the proportion equation
4,322,129.28 : 6,483,470.40 = 1,662,737.28 : x - Step 2: Convert to fraction form
4,322,129.28/6,483,470.40 = 1,662,737.28/x - Step 3: Cross multiply
4,322,129.28x = 6,483,470.40 × 1,662,737.28 - Step 4: Simplify right side
4,322,129.28x = 10,780,307,937,856.51 - Step 5: Solve for x
x = 10,780,307,937,856.51/4,322,129.28 - Step 6: Final answer
x = 2,494,212.28
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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.