Finding the Fourth Proportional to 2,138,350.16, 2,949,803.52 and 1,322,293.52
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Solution
The fourth proportional to 2,138,350.16, 2,949,803.52 and 1,322,293.52 is: 1,824,072.67
Step by Step Solution
- Step 1: Write the proportion equation
2,138,350.16 : 2,949,803.52 = 1,322,293.52 : x - Step 2: Convert to fraction form
2,138,350.16/2,949,803.52 = 1,322,293.52/x - Step 3: Cross multiply
2,138,350.16x = 2,949,803.52 × 1,322,293.52 - Step 4: Simplify right side
2,138,350.16x = 3,900,506,079,769.19 - Step 5: Solve for x
x = 3,900,506,079,769.19/2,138,350.16 - Step 6: Final answer
x = 1,824,072.67
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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.