Finding the Fourth Proportional to 3,147,187.08, 4,720,780.61 and 2,081,980.02
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Solution
The fourth proportional to 3,147,187.08, 4,720,780.61 and 2,081,980.02 is: 3,122,970.03
Step by Step Solution
- Step 1: Write the proportion equation
3,147,187.08 : 4,720,780.61 = 2,081,980.02 : x - Step 2: Convert to fraction form
3,147,187.08/4,720,780.61 = 2,081,980.02/x - Step 3: Cross multiply
3,147,187.08x = 4,720,780.61 × 2,081,980.02 - Step 4: Simplify right side
3,147,187.08x = 9,828,570,914,028.36 - Step 5: Solve for x
x = 9,828,570,914,028.36/3,147,187.08 - Step 6: Final answer
x = 3,122,970.03
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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.