Finding the Fourth Proportional to 5,106,664.22, 7,658,003.42 and 2,228,911.21
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Solution
The fourth proportional to 5,106,664.22, 7,658,003.42 and 2,228,911.21 is: 3,342,496.96
Step by Step Solution
- Step 1: Write the proportion equation
5,106,664.22 : 7,658,003.42 = 2,228,911.21 : x - Step 2: Convert to fraction form
5,106,664.22/7,658,003.42 = 2,228,911.21/x - Step 3: Cross multiply
5,106,664.22x = 7,658,003.42 × 2,228,911.21 - Step 4: Simplify right side
5,106,664.22x = 17,069,009,619,621.77 - Step 5: Solve for x
x = 17,069,009,619,621.77/5,106,664.22 - Step 6: Final answer
x = 3,342,496.96
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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.