Finding the Fourth Proportional to 3,615,107.36, 5,422,637.62 and 919,409.28
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Solution
The fourth proportional to 3,615,107.36, 5,422,637.62 and 919,409.28 is: 1,379,107.96
Step by Step Solution
- Step 1: Write the proportion equation
3,615,107.36 : 5,422,637.62 = 919,409.28 : x - Step 2: Convert to fraction form
3,615,107.36/5,422,637.62 = 919,409.28/x - Step 3: Cross multiply
3,615,107.36x = 5,422,637.62 × 919,409.28 - Step 4: Simplify right side
3,615,107.36x = 4,985,623,330,139.09 - Step 5: Solve for x
x = 4,985,623,330,139.09/3,615,107.36 - Step 6: Final answer
x = 1,379,107.96
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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.