Finding the Fourth Proportional to 2,973,390.26, 4,103,147.14 and 1,684,204.79
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Solution
The fourth proportional to 2,973,390.26, 4,103,147.14 and 1,684,204.79 is: 2,324,128.17
Step by Step Solution
- Step 1: Write the proportion equation
2,973,390.26 : 4,103,147.14 = 1,684,204.79 : x - Step 2: Convert to fraction form
2,973,390.26/4,103,147.14 = 1,684,204.79/x - Step 3: Cross multiply
2,973,390.26x = 4,103,147.14 × 1,684,204.79 - Step 4: Simplify right side
2,973,390.26x = 6,910,540,042,536.55 - Step 5: Solve for x
x = 6,910,540,042,536.55/2,973,390.26 - Step 6: Final answer
x = 2,324,128.17
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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.