Finding the Fourth Proportional to 2,245,405.37, 3,098,660.40 and 1,212,913.08
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Solution
The fourth proportional to 2,245,405.37, 3,098,660.40 and 1,212,913.08 is: 1,673,820.59
Step by Step Solution
- Step 1: Write the proportion equation
2,245,405.37 : 3,098,660.40 = 1,212,913.08 : x - Step 2: Convert to fraction form
2,245,405.37/3,098,660.40 = 1,212,913.08/x - Step 3: Cross multiply
2,245,405.37x = 3,098,660.40 × 1,212,913.08 - Step 4: Simplify right side
2,245,405.37x = 3,758,405,729,638.03 - Step 5: Solve for x
x = 3,758,405,729,638.03/2,245,405.37 - Step 6: Final answer
x = 1,673,820.59
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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.