Finding the Fourth Proportional to 3,964,188.14, 5,470,433.44 and 2,153,313.26
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Solution
The fourth proportional to 3,964,188.14, 5,470,433.44 and 2,153,313.26 is: 2,971,492.88
Step by Step Solution
- Step 1: Write the proportion equation
3,964,188.14 : 5,470,433.44 = 2,153,313.26 : x - Step 2: Convert to fraction form
3,964,188.14/5,470,433.44 = 2,153,313.26/x - Step 3: Cross multiply
3,964,188.14x = 5,470,433.44 × 2,153,313.26 - Step 4: Simplify right side
3,964,188.14x = 11,779,556,831,563.96 - Step 5: Solve for x
x = 11,779,556,831,563.96/3,964,188.14 - Step 6: Final answer
x = 2,971,492.88
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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.