Finding the Fourth Proportional to 3,791,077.26, 5,231,722.05 and 2,159,461.14
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Solution
The fourth proportional to 3,791,077.26, 5,231,722.05 and 2,159,461.14 is: 2,980,076.56
Step by Step Solution
- Step 1: Write the proportion equation
3,791,077.26 : 5,231,722.05 = 2,159,461.14 : x - Step 2: Convert to fraction form
3,791,077.26/5,231,722.05 = 2,159,461.14/x - Step 3: Cross multiply
3,791,077.26x = 5,231,722.05 × 2,159,461.14 - Step 4: Simplify right side
3,791,077.26x = 11,297,700,462,256.14 - Step 5: Solve for x
x = 11,297,700,462,256.14/3,791,077.26 - Step 6: Final answer
x = 2,980,076.56
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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.