Finding the Fourth Proportional to 5,278,034.76, 7,282,913.61 and 2,954,806.53
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Solution
The fourth proportional to 5,278,034.76, 7,282,913.61 and 2,954,806.53 is: 4,077,199.50
Step by Step Solution
- Step 1: Write the proportion equation
5,278,034.76 : 7,282,913.61 = 2,954,806.53 : x - Step 2: Convert to fraction form
5,278,034.76/7,282,913.61 = 2,954,806.53/x - Step 3: Cross multiply
5,278,034.76x = 7,282,913.61 × 2,954,806.53 - Step 4: Simplify right side
5,278,034.76x = 21,519,600,692,253.87 - Step 5: Solve for x
x = 21,519,600,692,253.87/5,278,034.76 - Step 6: Final answer
x = 4,077,199.50
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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.