Finding the Fourth Proportional to 1,837,185.77, 2,535,198.09 and 1,021,368.48
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Solution
The fourth proportional to 1,837,185.77, 2,535,198.09 and 1,021,368.48 is: 1,409,422.75
Step by Step Solution
- Step 1: Write the proportion equation
1,837,185.77 : 2,535,198.09 = 1,021,368.48 : x - Step 2: Convert to fraction form
1,837,185.77/2,535,198.09 = 1,021,368.48/x - Step 3: Cross multiply
1,837,185.77x = 2,535,198.09 × 1,021,368.48 - Step 4: Simplify right side
1,837,185.77x = 2,589,371,419,682.20 - Step 5: Solve for x
x = 2,589,371,419,682.20/1,837,185.77 - Step 6: Final answer
x = 1,409,422.75
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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.