Finding the Fourth Proportional to 4,026,558.60, 5,556,580.56 and 2,190,954.96
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Solution
The fourth proportional to 4,026,558.60, 5,556,580.56 and 2,190,954.96 is: 3,023,479.59
Step by Step Solution
- Step 1: Write the proportion equation
4,026,558.60 : 5,556,580.56 = 2,190,954.96 : x - Step 2: Convert to fraction form
4,026,558.60/5,556,580.56 = 2,190,954.96/x - Step 3: Cross multiply
4,026,558.60x = 5,556,580.56 × 2,190,954.96 - Step 4: Simplify right side
4,026,558.60x = 12,174,217,738,571.58 - Step 5: Solve for x
x = 12,174,217,738,571.58/4,026,558.60 - Step 6: Final answer
x = 3,023,479.59
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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.