Finding the Fourth Proportional to 5,171,304.26, 7,756,956.40 and 2,645,581.70
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Solution
The fourth proportional to 5,171,304.26, 7,756,956.40 and 2,645,581.70 is: 3,968,372.56
Step by Step Solution
- Step 1: Write the proportion equation
5,171,304.26 : 7,756,956.40 = 2,645,581.70 : x - Step 2: Convert to fraction form
5,171,304.26/7,756,956.40 = 2,645,581.70/x - Step 3: Cross multiply
5,171,304.26x = 7,756,956.40 × 2,645,581.70 - Step 4: Simplify right side
5,171,304.26x = 20,521,661,899,537.88 - Step 5: Solve for x
x = 20,521,661,899,537.88/5,171,304.26 - Step 6: Final answer
x = 3,968,372.56
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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.