Finding the Fourth Proportional to 5,558,462.44, 7,668,929.55 and 3,110,684.56
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Solution
The fourth proportional to 5,558,462.44, 7,668,929.55 and 3,110,684.56 is: 4,291,766.11
Step by Step Solution
- Step 1: Write the proportion equation
5,558,462.44 : 7,668,929.55 = 3,110,684.56 : x - Step 2: Convert to fraction form
5,558,462.44/7,668,929.55 = 3,110,684.56/x - Step 3: Cross multiply
5,558,462.44x = 7,668,929.55 × 3,110,684.56 - Step 4: Simplify right side
5,558,462.44x = 23,855,620,742,912.75 - Step 5: Solve for x
x = 23,855,620,742,912.75/5,558,462.44 - Step 6: Final answer
x = 4,291,766.11
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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.