Finding the Fourth Proportional to 4,795,638.21, 6,617,903.51 and 2,620,134.68
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Solution
The fourth proportional to 4,795,638.21, 6,617,903.51 and 2,620,134.68 is: 3,615,743.66
Step by Step Solution
- Step 1: Write the proportion equation
4,795,638.21 : 6,617,903.51 = 2,620,134.68 : x - Step 2: Convert to fraction form
4,795,638.21/6,617,903.51 = 2,620,134.68/x - Step 3: Cross multiply
4,795,638.21x = 6,617,903.51 × 2,620,134.68 - Step 4: Simplify right side
4,795,638.21x = 17,339,798,468,905.54 - Step 5: Solve for x
x = 17,339,798,468,905.54/4,795,638.21 - Step 6: Final answer
x = 3,615,743.66
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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.