Finding the Fourth Proportional to 7,762,587.36, 11,646,126 and 3,212,795.04
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Solution
The fourth proportional to 7,762,587.36, 11,646,126 and 3,212,795.04 is: 4,820,121.71
Step by Step Solution
- Step 1: Write the proportion equation
7,762,587.36 : 11,646,126 = 3,212,795.04 : x - Step 2: Convert to fraction form
7,762,587.36/11,646,126 = 3,212,795.04/x - Step 3: Cross multiply
7,762,587.36x = 11,646,126 × 3,212,795.04 - Step 4: Simplify right side
7,762,587.36x = 37,416,615,848,015.04 - Step 5: Solve for x
x = 37,416,615,848,015.04/7,762,587.36 - Step 6: Final answer
x = 4,820,121.71
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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.