Finding the Fourth Proportional to 6,684,987.87, 9,225,257.54 and 3,629,201.31
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Solution
The fourth proportional to 6,684,987.87, 9,225,257.54 and 3,629,201.31 is: 5,008,283.84
Step by Step Solution
- Step 1: Write the proportion equation
6,684,987.87 : 9,225,257.54 = 3,629,201.31 : x - Step 2: Convert to fraction form
6,684,987.87/9,225,257.54 = 3,629,201.31/x - Step 3: Cross multiply
6,684,987.87x = 9,225,257.54 × 3,629,201.31 - Step 4: Simplify right side
6,684,987.87x = 33,480,316,731,109.37 - Step 5: Solve for x
x = 33,480,316,731,109.37/6,684,987.87 - Step 6: Final answer
x = 5,008,283.84
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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.