Finding the Fourth Proportional to 1,621,900.70, 2,238,168.13 and 933,476.99
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Solution
The fourth proportional to 1,621,900.70, 2,238,168.13 and 933,476.99 is: 1,288,166.69
Step by Step Solution
- Step 1: Write the proportion equation
1,621,900.70 : 2,238,168.13 = 933,476.99 : x - Step 2: Convert to fraction form
1,621,900.70/2,238,168.13 = 933,476.99/x - Step 3: Cross multiply
1,621,900.70x = 2,238,168.13 × 933,476.99 - Step 4: Simplify right side
1,621,900.70x = 2,089,278,449,106.33 - Step 5: Solve for x
x = 2,089,278,449,106.33/1,621,900.70 - Step 6: Final answer
x = 1,288,166.69
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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.