Finding the Fourth Proportional to 2,224,538.64, 3,070,020.69 and 1,257,678.09
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Solution
The fourth proportional to 2,224,538.64, 3,070,020.69 and 1,257,678.09 is: 1,735,684.73
Step by Step Solution
- Step 1: Write the proportion equation
2,224,538.64 : 3,070,020.69 = 1,257,678.09 : x - Step 2: Convert to fraction form
2,224,538.64/3,070,020.69 = 1,257,678.09/x - Step 3: Cross multiply
2,224,538.64x = 3,070,020.69 × 1,257,678.09 - Step 4: Simplify right side
2,224,538.64x = 3,861,097,757,659.68 - Step 5: Solve for x
x = 3,861,097,757,659.68/2,224,538.64 - Step 6: Final answer
x = 1,735,684.73
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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.