Finding the Fourth Proportional to 1,621,851.68, 2,237,926.56 and 933,261.68
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Solution
The fourth proportional to 1,621,851.68, 2,237,926.56 and 933,261.68 is: 1,287,769.48
Step by Step Solution
- Step 1: Write the proportion equation
1,621,851.68 : 2,237,926.56 = 933,261.68 : x - Step 2: Convert to fraction form
1,621,851.68/2,237,926.56 = 933,261.68/x - Step 3: Cross multiply
1,621,851.68x = 2,237,926.56 × 933,261.68 - Step 4: Simplify right side
1,621,851.68x = 2,088,571,101,102.22 - Step 5: Solve for x
x = 2,088,571,101,102.22/1,621,851.68 - Step 6: Final answer
x = 1,287,769.48
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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.