Finding the Fourth Proportional to 3,609,282.37, 4,980,810.87 and 1,977,676.49
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Solution
The fourth proportional to 3,609,282.37, 4,980,810.87 and 1,977,676.49 is: 2,729,194.21
Step by Step Solution
- Step 1: Write the proportion equation
3,609,282.37 : 4,980,810.87 = 1,977,676.49 : x - Step 2: Convert to fraction form
3,609,282.37/4,980,810.87 = 1,977,676.49/x - Step 3: Cross multiply
3,609,282.37x = 4,980,810.87 × 1,977,676.49 - Step 4: Simplify right side
3,609,282.37x = 9,850,432,533,831.39 - Step 5: Solve for x
x = 9,850,432,533,831.39/3,609,282.37 - Step 6: Final answer
x = 2,729,194.21
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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.